Merge branches 'tracing/ftrace' and 'linus' into tracing/core

author: Ingo Molnar <mingo@elte.hu> 2009-02-05 08:33:31 -0500
committer: Ingo Molnar <mingo@elte.hu> 2009-02-05 08:33:31 -0500
commit: 43769f10b4826376cbf4ce17af74a5b4e8dc4fcd (patch)
tree: 8a7f36985f9ef8e6771163c751eeefd22ee71693
parent: ae7462b4f1fe1f36b5d562dbd5202a2eba01f072 (diff)
parent: eda58a85ec3fc05855a26654d97a2b53f0e715b9 (diff)
164 files changed, 2516 insertions, 1843 deletions
diff --git a/Documentation/filesystems/ubifs.txt b/Documentation/filesystems/ubifs.txt
index 84da2a4ba25a..12fedb7834c6 100644
--- a/Documentation/filesystems/ubifs.txt
+++ b/Documentation/filesystems/ubifs.txt
@@ -79,13 +79,6 @@ Mount options
 (*) == default.
-norm_unmount (*)        commit on unmount; the journal is committed
-                        when the file-system is unmounted so that the
-                        next mount does not have to replay the journal
-                        and it becomes very fast;
-fast_unmount            do not commit on unmount; this option makes
-                        unmount faster, but the next mount slower
-                        because of the need to replay the journal.
 bulk_read               read more in one go to take advantage of flash
                        media that read faster sequentially
 no_bulk_read (*)        do not bulk-read
diff --git a/MAINTAINERS b/MAINTAINERS
index 9c3a4f0280f6..829a697f1235 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -911,7 +911,7 @@ S:	Maintained
 BLACKFIN ARCHITECTURE
 P:      Bryan Wu
 M:      cooloney@kernel.org
-L:      uclinux-dist-devel@blackfin.uclinux.org (subscribers-only)
+L:      uclinux-dist-devel@blackfin.uclinux.org
 W:      http://blackfin.uclinux.org
 S:      Supported
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 77b047475539..85040cfeb5e5 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -650,6 +650,7 @@ ENTRY(fp_enter)
 no_fp:  mov     pc, lr
 __und_usr_unknown:
+        enable_irq
        mov     r0, sp
        adr     lr, ret_from_exception
        b       do_undefinstr
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 06269ea375c5..49a6ba926c2b 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -136,7 +136,7 @@ ENTRY(mcount)
        ldmia sp!, {r0-r3, pc}
 trace:
-        ldr r1, [fp, #-4]
+        ldr r1, [fp, #-4]                       @ lr of instrumented routine
        mov r0, lr
        sub r0, r0, #MCOUNT_INSN_SIZE
        mov lr, pc
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 7141cee1fab7..363db186cb93 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -101,7 +101,7 @@ unlock:
 /* Handle bad interrupts */
 static struct irq_desc bad_irq_desc = {
        .handle_irq = handle_bad_irq,
-        .lock = SPIN_LOCK_UNLOCKED
+        .lock = __SPIN_LOCK_UNLOCKED(bad_irq_desc.lock),
 };
 /*
diff --git a/arch/arm/mach-msm/board-halibut.c b/arch/arm/mach-msm/board-halibut.c
index c2a96e3965a6..e61967dde9a1 100644
--- a/arch/arm/mach-msm/board-halibut.c
+++ b/arch/arm/mach-msm/board-halibut.c
@@ -27,6 +27,7 @@
 #include <asm/mach/map.h>
 #include <asm/mach/flash.h>
+#include <mach/irqs.h>
 #include <mach/board.h>
 #include <mach/msm_iomap.h>
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 77382d8b6b2f..ba5d7c08dc17 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -181,7 +181,7 @@ void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
                }
                size = OMAP1_MMC_SIZE;
-                omap_mmc_add(i, base, size, irq, mmc_data[i]);
+                omap_mmc_add("mmci-omap", i, base, size, irq, mmc_data[i]);
        };
 }
diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c
index ca7a0cc1707c..575ba31295cf 100644
--- a/arch/arm/mach-omap1/mcbsp.c
+++ b/arch/arm/mach-omap1/mcbsp.c
@@ -28,81 +28,8 @@
 #define DPS_RSTCT2_PER_EN       (1 << 0)
 #define DSP_RSTCT2_WD_PER_EN    (1 << 1)
-struct mcbsp_internal_clk {
-        struct clk clk;
-        struct clk **childs;
-        int n_childs;
-};
 #if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)
-static void omap_mcbsp_clk_init(struct mcbsp_internal_clk *mclk)
+const char *clk_names[] = { "dsp_ck", "api_ck", "dspxor_ck" };
-{
-        const char *clk_names[] = { "dsp_ck", "api_ck", "dspxor_ck" };
-        int i;
-        mclk->n_childs = ARRAY_SIZE(clk_names);
-        mclk->childs = kzalloc(mclk->n_childs * sizeof(struct clk *),
-                                GFP_KERNEL);
-        for (i = 0; i < mclk->n_childs; i++) {
-                /* We fake a platform device to get correct device id */
-                struct platform_device pdev;
-                pdev.dev.bus = &platform_bus_type;
-                pdev.id = mclk->clk.id;
-                mclk->childs[i] = clk_get(&pdev.dev, clk_names[i]);
-                if (IS_ERR(mclk->childs[i]))
-                        printk(KERN_ERR "Could not get clock %s (%d).\n",
-                                clk_names[i], mclk->clk.id);
-        }
-}
-static int omap_mcbsp_clk_enable(struct clk *clk)
-{
-        struct mcbsp_internal_clk *mclk = container_of(clk,
-                                        struct mcbsp_internal_clk, clk);
-        int i;
-        for (i = 0; i < mclk->n_childs; i++)
-                clk_enable(mclk->childs[i]);
-        return 0;
-}
-static void omap_mcbsp_clk_disable(struct clk *clk)
-{
-        struct mcbsp_internal_clk *mclk = container_of(clk,
-                                        struct mcbsp_internal_clk, clk);
-        int i;
-        for (i = 0; i < mclk->n_childs; i++)
-                clk_disable(mclk->childs[i]);
-}
-static struct mcbsp_internal_clk omap_mcbsp_clks[] = {
-        {
-                .clk = {
-                        .name           = "mcbsp_clk",
-                        .id             = 1,
-                        .enable         = omap_mcbsp_clk_enable,
-                        .disable        = omap_mcbsp_clk_disable,
-                },
-        },
-        {
-                .clk = {
-                        .name           = "mcbsp_clk",
-                        .id             = 3,
-                        .enable         = omap_mcbsp_clk_enable,
-                        .disable        = omap_mcbsp_clk_disable,
-                },
-        },
-};
-#define omap_mcbsp_clks_size    ARRAY_SIZE(omap_mcbsp_clks)
-#else
-#define omap_mcbsp_clks_size    0
-static struct mcbsp_internal_clk __initdata *omap_mcbsp_clks;
-static inline void omap_mcbsp_clk_init(struct mcbsp_internal_clk *mclk)
-{ }
 #endif
 static void omap1_mcbsp_request(unsigned int id)
@@ -167,8 +94,9 @@ static struct omap_mcbsp_platform_data omap15xx_mcbsp_pdata[] = {
                .rx_irq         = INT_McBSP1RX,
                .tx_irq         = INT_McBSP1TX,
                .ops            = &omap1_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
-                },
+                .num_clks       = 3,
+        },
        {
                .phys_base      = OMAP1510_MCBSP2_BASE,
                .dma_rx_sync    = OMAP_DMA_MCBSP2_RX,
@@ -184,7 +112,8 @@ static struct omap_mcbsp_platform_data omap15xx_mcbsp_pdata[] = {
                .rx_irq         = INT_McBSP3RX,
                .tx_irq         = INT_McBSP3TX,
                .ops            = &omap1_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 3,
        },
 };
 #define OMAP15XX_MCBSP_PDATA_SZ         ARRAY_SIZE(omap15xx_mcbsp_pdata)
@@ -202,7 +131,8 @@ static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = {
                .rx_irq         = INT_McBSP1RX,
                .tx_irq         = INT_McBSP1TX,
                .ops            = &omap1_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 3,
        },
        {
                .phys_base      = OMAP1610_MCBSP2_BASE,
@@ -219,7 +149,8 @@ static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = {
                .rx_irq         = INT_McBSP3RX,
                .tx_irq         = INT_McBSP3TX,
                .ops            = &omap1_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 3,
        },
 };
 #define OMAP16XX_MCBSP_PDATA_SZ         ARRAY_SIZE(omap16xx_mcbsp_pdata)
@@ -230,15 +161,6 @@ static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = {
 int __init omap1_mcbsp_init(void)
 {
-        int i;
-        for (i = 0; i < omap_mcbsp_clks_size; i++) {
-                if (cpu_is_omap15xx() || cpu_is_omap16xx()) {
-                        omap_mcbsp_clk_init(&omap_mcbsp_clks[i]);
-                        clk_register(&omap_mcbsp_clks[i].clk);
-                }
-        }
        if (cpu_is_omap730())
                omap_mcbsp_count = OMAP730_MCBSP_PDATA_SZ;
        if (cpu_is_omap15xx())
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 9d7216ff6c9f..ce03fa750775 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -421,6 +421,7 @@ void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
                        int nr_controllers)
 {
        int i;
+        char *name;
        for (i = 0; i < nr_controllers; i++) {
                unsigned long base, size;
@@ -450,12 +451,14 @@ void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
                        continue;
                }
-                if (cpu_is_omap2420())
+                if (cpu_is_omap2420()) {
                        size = OMAP2420_MMC_SIZE;
-                else
+                        name = "mmci-omap";
+                } else {
                        size = HSMMC_SIZE;
+                        name = "mmci-omap-hs";
-                omap_mmc_add(i, base, size, irq, mmc_data[i]);
+                }
+                omap_mmc_add(name, i, base, size, irq, mmc_data[i]);
        };
 }
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index b0f8e7d62798..b52a02fc7cd6 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -172,9 +172,13 @@ void __init omap34xx_check_revision(void)
                        omap_revision = OMAP3430_REV_ES3_0;
                        rev_name = "ES3.0";
                        break;
+                case 4:
+                        omap_revision = OMAP3430_REV_ES3_1;
+                        rev_name = "ES3.1";
+                        break;
                default:
                        /* Use the latest known revision as default */
-                        omap_revision = OMAP3430_REV_ES3_0;
+                        omap_revision = OMAP3430_REV_ES3_1;
                        rev_name = "Unknown revision\n";
                }
        }
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 636e2821af7d..9ba20d985dda 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -134,6 +134,7 @@ static struct irq_chip omap_irq_chip = {
        .ack    = omap_mask_ack_irq,
        .mask   = omap_mask_irq,
        .unmask = omap_unmask_irq,
+        .disable = omap_mask_irq,
 };
 static void __init omap_irq_bank_init_one(struct omap_irq_bank *bank)
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index e20023c9d15d..a9e631fc1134 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -24,106 +24,7 @@
 #include <mach/cpu.h>
 #include <mach/mcbsp.h>
-struct mcbsp_internal_clk {
+const char *clk_names[] = { "mcbsp_ick", "mcbsp_fck" };
-        struct clk clk;
-        struct clk **childs;
-        int n_childs;
-};
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
-static void omap_mcbsp_clk_init(struct mcbsp_internal_clk *mclk)
-{
-        const char *clk_names[] = { "mcbsp_ick", "mcbsp_fck" };
-        int i;
-        mclk->n_childs = ARRAY_SIZE(clk_names);
-        mclk->childs = kzalloc(mclk->n_childs * sizeof(struct clk *),
-                                GFP_KERNEL);
-        for (i = 0; i < mclk->n_childs; i++) {
-                /* We fake a platform device to get correct device id */
-                struct platform_device pdev;
-                pdev.dev.bus = &platform_bus_type;
-                pdev.id = mclk->clk.id;
-                mclk->childs[i] = clk_get(&pdev.dev, clk_names[i]);
-                if (IS_ERR(mclk->childs[i]))
-                        printk(KERN_ERR "Could not get clock %s (%d).\n",
-                                clk_names[i], mclk->clk.id);
-        }
-}
-static int omap_mcbsp_clk_enable(struct clk *clk)
-{
-        struct mcbsp_internal_clk *mclk = container_of(clk,
-                                        struct mcbsp_internal_clk, clk);
-        int i;
-        for (i = 0; i < mclk->n_childs; i++)
-                clk_enable(mclk->childs[i]);
-        return 0;
-}
-static void omap_mcbsp_clk_disable(struct clk *clk)
-{
-        struct mcbsp_internal_clk *mclk = container_of(clk,
-                                        struct mcbsp_internal_clk, clk);
-        int i;
-        for (i = 0; i < mclk->n_childs; i++)
-                clk_disable(mclk->childs[i]);
-}
-static struct mcbsp_internal_clk omap_mcbsp_clks[] = {
-        {
-                .clk = {
-                        .name           = "mcbsp_clk",
-                        .id             = 1,
-                        .enable         = omap_mcbsp_clk_enable,
-                        .disable        = omap_mcbsp_clk_disable,
-                },
-        },
-        {
-                .clk = {
-                        .name           = "mcbsp_clk",
-                        .id             = 2,
-                        .enable         = omap_mcbsp_clk_enable,
-                        .disable        = omap_mcbsp_clk_disable,
-                },
-        },
-        {
-                .clk = {
-                        .name           = "mcbsp_clk",
-                        .id             = 3,
-                        .enable         = omap_mcbsp_clk_enable,
-                        .disable        = omap_mcbsp_clk_disable,
-                },
-        },
-        {
-                .clk = {
-                        .name           = "mcbsp_clk",
-                        .id             = 4,
-                        .enable         = omap_mcbsp_clk_enable,
-                        .disable        = omap_mcbsp_clk_disable,
-                },
-        },
-        {
-                .clk = {
-                        .name           = "mcbsp_clk",
-                        .id             = 5,
-                        .enable         = omap_mcbsp_clk_enable,
-                        .disable        = omap_mcbsp_clk_disable,
-                },
-        },
-};
-#define omap_mcbsp_clks_size    ARRAY_SIZE(omap_mcbsp_clks)
-#else
-#define omap_mcbsp_clks_size    0
-static struct mcbsp_internal_clk __initdata *omap_mcbsp_clks;
-static inline void omap_mcbsp_clk_init(struct clk *clk)
-{ }
-#endif
 static void omap2_mcbsp2_mux_setup(void)
 {
@@ -156,7 +57,8 @@ static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP1_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP1_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 2,
        },
        {
                .phys_base      = OMAP24XX_MCBSP2_BASE,
@@ -165,7 +67,8 @@ static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP2_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP2_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 2,
        },
 };
 #define OMAP2420_MCBSP_PDATA_SZ         ARRAY_SIZE(omap2420_mcbsp_pdata)
@@ -183,7 +86,8 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP1_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP1_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 2,
        },
        {
                .phys_base      = OMAP24XX_MCBSP2_BASE,
@@ -192,7 +96,8 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP2_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP2_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 2,
        },
        {
                .phys_base      = OMAP2430_MCBSP3_BASE,
@@ -201,7 +106,8 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP3_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP3_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 2,
        },
        {
                .phys_base      = OMAP2430_MCBSP4_BASE,
@@ -210,7 +116,8 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP4_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP4_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 2,
        },
        {
                .phys_base      = OMAP2430_MCBSP5_BASE,
@@ -219,7 +126,8 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP5_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP5_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 2,
        },
 };
 #define OMAP2430_MCBSP_PDATA_SZ         ARRAY_SIZE(omap2430_mcbsp_pdata)
@@ -237,7 +145,8 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP1_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP1_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 2,
        },
        {
                .phys_base      = OMAP34XX_MCBSP2_BASE,
@@ -246,7 +155,8 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP2_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP2_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 2,
        },
        {
                .phys_base      = OMAP34XX_MCBSP3_BASE,
@@ -255,7 +165,8 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP3_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP3_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 2,
        },
        {
                .phys_base      = OMAP34XX_MCBSP4_BASE,
@@ -264,7 +175,8 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP4_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP4_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 2,
        },
        {
                .phys_base      = OMAP34XX_MCBSP5_BASE,
@@ -273,7 +185,8 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP5_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP5_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-                .clk_name       = "mcbsp_clk",
+                .clk_names      = clk_names,
+                .num_clks       = 2,
        },
 };
 #define OMAP34XX_MCBSP_PDATA_SZ         ARRAY_SIZE(omap34xx_mcbsp_pdata)
@@ -284,14 +197,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
 static int __init omap2_mcbsp_init(void)
 {
-        int i;
-        for (i = 0; i < omap_mcbsp_clks_size; i++) {
-                /* Once we call clk_get inside init, we do not register it */
-                omap_mcbsp_clk_init(&omap_mcbsp_clks[i]);
-                clk_register(&omap_mcbsp_clks[i].clk);
-        }
        if (cpu_is_omap2420())
                omap_mcbsp_count = OMAP2420_MCBSP_PDATA_SZ;
        if (cpu_is_omap2430())
diff --git a/arch/arm/mach-omap2/sleep24xx.S b/arch/arm/mach-omap2/sleep24xx.S
index 43336b93b21c..bf9e96105e11 100644
--- a/arch/arm/mach-omap2/sleep24xx.S
+++ b/arch/arm/mach-omap2/sleep24xx.S
@@ -93,9 +93,8 @@ ENTRY(omap24xx_cpu_suspend)
        orr     r4, r4, #0x40           @ enable self refresh on idle req
        mov     r5, #0x2000             @ set delay (DPLL relock + DLL relock)
        str     r4, [r2]                @ make it so
-        mov     r2, #0
        nop
-        mcr     p15, 0, r2, c7, c0, 4   @ wait for interrupt
+        mcr     p15, 0, r3, c7, c0, 4   @ wait for interrupt
        nop
 loop:
        subs    r5, r5, #0x1            @ awake, wait just a bit
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index ae6036300f60..9fc13a2cc3f4 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -118,7 +118,8 @@ static void __init omap2_gp_clockevent_init(void)
        clockevent_gpt.max_delta_ns =
                clockevent_delta2ns(0xffffffff, &clockevent_gpt);
        clockevent_gpt.min_delta_ns =
-                clockevent_delta2ns(1, &clockevent_gpt);
+                clockevent_delta2ns(3, &clockevent_gpt);
+                /* Timer internal resynch latency. */
        clockevent_gpt.cpumask = cpumask_of(0);
        clockevents_register_device(&clockevent_gpt);
diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
index c1fbd5b5f9c4..23cfdd593954 100644
--- a/arch/arm/mach-sa1100/generic.c
+++ b/arch/arm/mach-sa1100/generic.c
@@ -289,7 +289,7 @@ static struct platform_device sa11x0pcmcia_device = {
 };
 static struct platform_device sa11x0mtd_device = {
-        .name           = "flash",
+        .name           = "sa1100-mtd",
        .id             = -1,
 };
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c
index 81d0b8772de3..bc0099d5ae85 100644
--- a/arch/arm/mm/fault-armv.c
+++ b/arch/arm/mm/fault-armv.c
@@ -66,7 +66,10 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address)
         * fault (ie, is old), we can safely ignore any issues.
         */
        if (ret && (pte_val(entry) & L_PTE_MT_MASK) != shared_pte_mask) {
-                flush_cache_page(vma, address, pte_pfn(entry));
+                unsigned long pfn = pte_pfn(entry);
+                flush_cache_page(vma, address, pfn);
+                outer_flush_range((pfn << PAGE_SHIFT),
+                                  (pfn << PAGE_SHIFT) + PAGE_SIZE);
                pte_val(entry) &= ~L_PTE_MT_MASK;
                pte_val(entry) |= shared_pte_mask;
                set_pte_at(vma->vm_mm, address, pte, entry);
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index ac15c23fd5da..208dbb121f47 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -200,14 +200,15 @@ void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
 /*
 * Register MMC devices. Called from mach-omap1 and mach-omap2 device init.
 */
-int __init omap_mmc_add(int id, unsigned long base, unsigned long size,
+int __init omap_mmc_add(const char *name, int id, unsigned long base,
-                unsigned int irq, struct omap_mmc_platform_data *data)
+                                unsigned long size, unsigned int irq,
+                                struct omap_mmc_platform_data *data)
 {
        struct platform_device *pdev;
        struct resource res[OMAP_MMC_NR_RES];
        int ret;
-        pdev = platform_device_alloc("mmci-omap", id);
+        pdev = platform_device_alloc(name, id);
        if (!pdev)
                return -ENOMEM;
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index e77373c39f8c..47ec77af4ccb 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -709,6 +709,7 @@ int omap_request_dma(int dev_id, const char *dev_name,
        chan->dev_name = dev_name;
        chan->callback = callback;
        chan->data = data;
+        chan->flags = 0;
 #ifndef CONFIG_ARCH_OMAP1
        if (cpu_class_is_omap2()) {
@@ -1888,11 +1889,11 @@ static int omap2_dma_handle_ch(int ch)
                status = dma_read(CSR(ch));
        }
+        dma_write(status, CSR(ch));
        if (likely(dma_chan[ch].callback != NULL))
                dma_chan[ch].callback(ch, status, dma_chan[ch].data);
-        dma_write(status, CSR(ch));
        return 0;
 }
diff --git a/arch/arm/plat-omap/include/mach/cpu.h b/arch/arm/plat-omap/include/mach/cpu.h
index b2062f1175de..a8e1178a9468 100644
--- a/arch/arm/plat-omap/include/mach/cpu.h
+++ b/arch/arm/plat-omap/include/mach/cpu.h
@@ -339,6 +339,7 @@ IS_OMAP_TYPE(3430, 0x3430)
 #define OMAP3430_REV_ES2_0      0x34301034
 #define OMAP3430_REV_ES2_1      0x34302034
 #define OMAP3430_REV_ES3_0      0x34303034
+#define OMAP3430_REV_ES3_1      0x34304034
 /*
 * omap_chip bits
diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h
index eef873db3d48..113c2466c86a 100644
--- a/arch/arm/plat-omap/include/mach/mcbsp.h
+++ b/arch/arm/plat-omap/include/mach/mcbsp.h
@@ -344,7 +344,8 @@ struct omap_mcbsp_platform_data {
        u8 dma_rx_sync, dma_tx_sync;
        u16 rx_irq, tx_irq;
        struct omap_mcbsp_ops *ops;
-        char const *clk_name;
+        char const **clk_names;
+        int num_clks;
 };
 struct omap_mcbsp {
@@ -376,7 +377,8 @@ struct omap_mcbsp {
        /* Protect the field .free, while checking if the mcbsp is in use */
        spinlock_t lock;
        struct omap_mcbsp_platform_data *pdata;
-        struct clk *clk;
+        struct clk **clks;
+        int num_clks;
 };
 extern struct omap_mcbsp **mcbsp_ptr;
 extern int omap_mcbsp_count;
diff --git a/arch/arm/plat-omap/include/mach/mmc.h b/arch/arm/plat-omap/include/mach/mmc.h
index 031250f02805..73a9e15031b1 100644
--- a/arch/arm/plat-omap/include/mach/mmc.h
+++ b/arch/arm/plat-omap/include/mach/mmc.h
@@ -115,8 +115,9 @@ void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
                                int nr_controllers);
 void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
                                int nr_controllers);
-int omap_mmc_add(int id, unsigned long base, unsigned long size,
+int omap_mmc_add(const char *name, int id, unsigned long base,
-                        unsigned int irq, struct omap_mmc_platform_data *data);
+                                unsigned long size, unsigned int irq,
+                                struct omap_mmc_platform_data *data);
 #else
 static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
                                int nr_controllers)
@@ -126,8 +127,9 @@ static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
                                int nr_controllers)
 {
 }
-static inline int omap_mmc_add(int id, unsigned long base, unsigned long size,
+static inline int omap_mmc_add(const char *name, int id, unsigned long base,
-                unsigned int irq, struct omap_mmc_platform_data *data)
+                                unsigned long size, unsigned int irq,
+                                struct omap_mmc_platform_data *data)
 {
        return 0;
 }
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index f2401a831f99..e5842e30e534 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -214,6 +214,7 @@ EXPORT_SYMBOL(omap_mcbsp_set_io_type);
 int omap_mcbsp_request(unsigned int id)
 {
        struct omap_mcbsp *mcbsp;
+        int i;
        int err;
        if (!omap_mcbsp_check_valid_id(id)) {
@@ -225,7 +226,8 @@ int omap_mcbsp_request(unsigned int id)
        if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->request)
                mcbsp->pdata->ops->request(id);
-        clk_enable(mcbsp->clk);
+        for (i = 0; i < mcbsp->num_clks; i++)
+                clk_enable(mcbsp->clks[i]);
        spin_lock(&mcbsp->lock);
        if (!mcbsp->free) {
@@ -276,6 +278,7 @@ EXPORT_SYMBOL(omap_mcbsp_request);
 void omap_mcbsp_free(unsigned int id)
 {
        struct omap_mcbsp *mcbsp;
+        int i;
        if (!omap_mcbsp_check_valid_id(id)) {
                printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
@@ -286,7 +289,8 @@ void omap_mcbsp_free(unsigned int id)
        if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free)
                mcbsp->pdata->ops->free(id);
-        clk_disable(mcbsp->clk);
+        for (i = mcbsp->num_clks - 1; i >= 0; i--)
+                clk_disable(mcbsp->clks[i]);
        spin_lock(&mcbsp->lock);
        if (mcbsp->free) {
@@ -872,6 +876,7 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
        struct omap_mcbsp_platform_data *pdata = pdev->dev.platform_data;
        struct omap_mcbsp *mcbsp;
        int id = pdev->id - 1;
+        int i;
        int ret = 0;
        if (!pdata) {
@@ -916,14 +921,25 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
        mcbsp->dma_rx_sync = pdata->dma_rx_sync;
        mcbsp->dma_tx_sync = pdata->dma_tx_sync;
-        if (pdata->clk_name)
+        if (pdata->num_clks) {
-                mcbsp->clk = clk_get(&pdev->dev, pdata->clk_name);
+                mcbsp->num_clks = pdata->num_clks;
-        if (IS_ERR(mcbsp->clk)) {
+                mcbsp->clks = kzalloc(mcbsp->num_clks * sizeof(struct clk *),
-                dev_err(&pdev->dev,
+                                        GFP_KERNEL);
-                        "Invalid clock configuration for McBSP%d.\n",
+                if (!mcbsp->clks) {
-                        mcbsp->id);
+                        ret = -ENOMEM;
-                ret = PTR_ERR(mcbsp->clk);
+                        goto exit;
-                goto err_clk;
+                }
+                for (i = 0; i < mcbsp->num_clks; i++) {
+                        mcbsp->clks[i] = clk_get(&pdev->dev, pdata->clk_names[i]);
+                        if (IS_ERR(mcbsp->clks[i])) {
+                                dev_err(&pdev->dev,
+                                        "Invalid %s configuration for McBSP%d.\n",
+                                        pdata->clk_names[i], mcbsp->id);
+                                ret = PTR_ERR(mcbsp->clks[i]);
+                                goto err_clk;
+                        }
+                }
        }
        mcbsp->pdata = pdata;
@@ -932,6 +948,9 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
        return 0;
 err_clk:
+        while (i--)
+                clk_put(mcbsp->clks[i]);
+        kfree(mcbsp->clks);
        iounmap(mcbsp->io_base);
 err_ioremap:
        mcbsp->free = 0;
@@ -942,6 +961,7 @@ exit:
 static int __devexit omap_mcbsp_remove(struct platform_device *pdev)
 {
        struct omap_mcbsp *mcbsp = platform_get_drvdata(pdev);
+        int i;
        platform_set_drvdata(pdev, NULL);
        if (mcbsp) {
@@ -950,12 +970,18 @@ static int __devexit omap_mcbsp_remove(struct platform_device *pdev)
                                mcbsp->pdata->ops->free)
                        mcbsp->pdata->ops->free(mcbsp->id);
-                clk_disable(mcbsp->clk);
+                for (i = mcbsp->num_clks - 1; i >= 0; i--) {
-                clk_put(mcbsp->clk);
+                        clk_disable(mcbsp->clks[i]);
+                        clk_put(mcbsp->clks[i]);
+                }
                iounmap(mcbsp->io_base);
-                mcbsp->clk = NULL;
+                if (mcbsp->num_clks) {
+                        kfree(mcbsp->clks);
+                        mcbsp->clks = NULL;
+                        mcbsp->num_clks = 0;
+                }
                mcbsp->free = 0;
                mcbsp->dev = NULL;
        }
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index a949c4fbbddd..8f1f97d56e1e 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -169,26 +169,51 @@ config BF542
        help
          BF542 Processor Support.
+config BF542M
+        bool "BF542m"
+        help
+          BF542 Processor Support.
 config BF544
        bool "BF544"
        help
          BF544 Processor Support.
+config BF544M
+        bool "BF544m"
+        help
+          BF544 Processor Support.
 config BF547
        bool "BF547"
        help
          BF547 Processor Support.
+config BF547M
+        bool "BF547m"
+        help
+          BF547 Processor Support.
 config BF548
        bool "BF548"
        help
          BF548 Processor Support.
+config BF548M
+        bool "BF548m"
+        help
+          BF548 Processor Support.
 config BF549
        bool "BF549"
        help
          BF549 Processor Support.
+config BF549M
+        bool "BF549m"
+        help
+          BF549 Processor Support.
 config BF561
        bool "BF561"
        help
@@ -224,39 +249,39 @@ config TICK_SOURCE_SYSTMR0
 config BF_REV_MIN
        int
-        default 0 if (BF51x || BF52x || BF54x)
+        default 0 if (BF51x || BF52x || (BF54x && !BF54xM))
        default 2 if (BF537 || BF536 || BF534)
-        default 3 if (BF561 ||BF533 || BF532 || BF531)
+        default 3 if (BF561 || BF533 || BF532 || BF531 || BF54xM)
        default 4 if (BF538 || BF539)
 config BF_REV_MAX
        int
-        default 2 if (BF51x || BF52x || BF54x)
+        default 2 if (BF51x || BF52x || (BF54x && !BF54xM))
-        default 3 if (BF537 || BF536 || BF534)
+        default 3 if (BF537 || BF536 || BF534 || BF54xM)
        default 5 if (BF561 || BF538 || BF539)
        default 6 if (BF533 || BF532 || BF531)
 choice
        prompt "Silicon Rev"
-        default BF_REV_0_1 if (BF51x || BF52x || BF54x)
+        default BF_REV_0_1 if (BF51x || BF52x || (BF54x && !BF54xM))
        default BF_REV_0_2 if (BF534 || BF536 || BF537)
-        default BF_REV_0_3 if (BF531 || BF532 || BF533 || BF561)
+        default BF_REV_0_3 if (BF531 || BF532 || BF533 || BF54xM || BF561)
 config BF_REV_0_0
        bool "0.0"
-        depends on (BF51x || BF52x || BF54x)
+        depends on (BF51x || BF52x || (BF54x && !BF54xM))
 config BF_REV_0_1
        bool "0.1"
-        depends on (BF52x || BF54x)
+        depends on (BF52x || (BF54x && !BF54xM))
 config BF_REV_0_2
        bool "0.2"
-        depends on (BF52x || BF537 || BF536 || BF534 || BF54x)
+        depends on (BF52x || BF537 || BF536 || BF534 || (BF54x && !BF54xM))
 config BF_REV_0_3
        bool "0.3"
-        depends on (BF561 || BF537 || BF536 || BF534 || BF533 || BF532 || BF531)
+        depends on (BF54xM || BF561 || BF537 || BF536 || BF534 || BF533 || BF532 || BF531)
 config BF_REV_0_4
        bool "0.4"
@@ -293,9 +318,14 @@ config BF53x
        depends on (BF531 || BF532 || BF533 || BF534 || BF536 || BF537)
        default y
+config BF54xM
+        bool
+        depends on (BF542M || BF544M || BF547M || BF548M || BF549M)
+        default y
 config BF54x
        bool
-        depends on (BF542 || BF544 || BF547 || BF548 || BF549)
+        depends on (BF542 || BF544 || BF547 || BF548 || BF549 || BF54xM)
        default y
 config MEM_GENERIC_BOARD
diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index e550c8d46066..d54c8283825c 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -21,57 +21,67 @@ KALLSYMS         += --symbol-prefix=_
 KBUILD_DEFCONFIG := BF537-STAMP_defconfig
 # setup the machine name and the machine dependent settings
-machine-$(CONFIG_BF512) := bf518
+machine-$(CONFIG_BF512)  := bf518
-machine-$(CONFIG_BF514) := bf518
+machine-$(CONFIG_BF514)  := bf518
-machine-$(CONFIG_BF516) := bf518
+machine-$(CONFIG_BF516)  := bf518
-machine-$(CONFIG_BF518) := bf518
+machine-$(CONFIG_BF518)  := bf518
-machine-$(CONFIG_BF522) := bf527
+machine-$(CONFIG_BF522)  := bf527
-machine-$(CONFIG_BF523) := bf527
+machine-$(CONFIG_BF523)  := bf527
-machine-$(CONFIG_BF524) := bf527
+machine-$(CONFIG_BF524)  := bf527
-machine-$(CONFIG_BF525) := bf527
+machine-$(CONFIG_BF525)  := bf527
-machine-$(CONFIG_BF526) := bf527
+machine-$(CONFIG_BF526)  := bf527
-machine-$(CONFIG_BF527) := bf527
+machine-$(CONFIG_BF527)  := bf527
-machine-$(CONFIG_BF531) := bf533
+machine-$(CONFIG_BF531)  := bf533
-machine-$(CONFIG_BF532) := bf533
+machine-$(CONFIG_BF532)  := bf533
-machine-$(CONFIG_BF533) := bf533
+machine-$(CONFIG_BF533)  := bf533
-machine-$(CONFIG_BF534) := bf537
+machine-$(CONFIG_BF534)  := bf537
-machine-$(CONFIG_BF536) := bf537
+machine-$(CONFIG_BF536)  := bf537
-machine-$(CONFIG_BF537) := bf537
+machine-$(CONFIG_BF537)  := bf537
-machine-$(CONFIG_BF538) := bf538
+machine-$(CONFIG_BF538)  := bf538
-machine-$(CONFIG_BF539) := bf538
+machine-$(CONFIG_BF539)  := bf538
-machine-$(CONFIG_BF542) := bf548
+machine-$(CONFIG_BF542)  := bf548
-machine-$(CONFIG_BF544) := bf548
+machine-$(CONFIG_BF542M) := bf548
-machine-$(CONFIG_BF547) := bf548
+machine-$(CONFIG_BF544)  := bf548
-machine-$(CONFIG_BF548) := bf548
+machine-$(CONFIG_BF544M) := bf548
-machine-$(CONFIG_BF549) := bf548
+machine-$(CONFIG_BF547)  := bf548
-machine-$(CONFIG_BF561) := bf561
+machine-$(CONFIG_BF547M) := bf548
+machine-$(CONFIG_BF548)  := bf548
+machine-$(CONFIG_BF548M) := bf548
+machine-$(CONFIG_BF549)  := bf548
+machine-$(CONFIG_BF549M) := bf548
+machine-$(CONFIG_BF561)  := bf561
 MACHINE := $(machine-y)
 export MACHINE
-cpu-$(CONFIG_BF512) := bf512
+cpu-$(CONFIG_BF512)  := bf512
-cpu-$(CONFIG_BF514) := bf514
+cpu-$(CONFIG_BF514)  := bf514
-cpu-$(CONFIG_BF516) := bf516
+cpu-$(CONFIG_BF516)  := bf516
-cpu-$(CONFIG_BF518) := bf518
+cpu-$(CONFIG_BF518)  := bf518
-cpu-$(CONFIG_BF522) := bf522
+cpu-$(CONFIG_BF522)  := bf522
-cpu-$(CONFIG_BF523) := bf523
+cpu-$(CONFIG_BF523)  := bf523
-cpu-$(CONFIG_BF524) := bf524
+cpu-$(CONFIG_BF524)  := bf524
-cpu-$(CONFIG_BF525) := bf525
+cpu-$(CONFIG_BF525)  := bf525
-cpu-$(CONFIG_BF526) := bf526
+cpu-$(CONFIG_BF526)  := bf526
-cpu-$(CONFIG_BF527) := bf527
+cpu-$(CONFIG_BF527)  := bf527
-cpu-$(CONFIG_BF531) := bf531
+cpu-$(CONFIG_BF531)  := bf531
-cpu-$(CONFIG_BF532) := bf532
+cpu-$(CONFIG_BF532)  := bf532
-cpu-$(CONFIG_BF533) := bf533
+cpu-$(CONFIG_BF533)  := bf533
-cpu-$(CONFIG_BF534) := bf534
+cpu-$(CONFIG_BF534)  := bf534
-cpu-$(CONFIG_BF536) := bf536
+cpu-$(CONFIG_BF536)  := bf536
-cpu-$(CONFIG_BF537) := bf537
+cpu-$(CONFIG_BF537)  := bf537
-cpu-$(CONFIG_BF538) := bf538
+cpu-$(CONFIG_BF538)  := bf538
-cpu-$(CONFIG_BF539) := bf539
+cpu-$(CONFIG_BF539)  := bf539
-cpu-$(CONFIG_BF542) := bf542
+cpu-$(CONFIG_BF542)  := bf542
-cpu-$(CONFIG_BF544) := bf544
+cpu-$(CONFIG_BF542M) := bf542m
-cpu-$(CONFIG_BF547) := bf547
+cpu-$(CONFIG_BF544)  := bf544
-cpu-$(CONFIG_BF548) := bf548
+cpu-$(CONFIG_BF544M) := bf544m
-cpu-$(CONFIG_BF549) := bf549
+cpu-$(CONFIG_BF547)  := bf547
-cpu-$(CONFIG_BF561) := bf561
+cpu-$(CONFIG_BF547M) := bf547m
+cpu-$(CONFIG_BF548)  := bf548
+cpu-$(CONFIG_BF548M) := bf548m
+cpu-$(CONFIG_BF549)  := bf549
+cpu-$(CONFIG_BF549M) := bf549m
+cpu-$(CONFIG_BF561)  := bf561
 rev-$(CONFIG_BF_REV_0_0)  := 0.0
 rev-$(CONFIG_BF_REV_0_1)  := 0.1
diff --git a/arch/blackfin/configs/BF518F-EZBRD_defconfig b/arch/blackfin/configs/BF518F-EZBRD_defconfig
index defb9785c65b..4fdb9e04759f 100644
--- a/arch/blackfin/configs/BF518F-EZBRD_defconfig
+++ b/arch/blackfin/configs/BF518F-EZBRD_defconfig
@@ -1,6 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.28-rc2
+# Fri Jan  9 17:58:41 2009
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
@@ -149,6 +150,7 @@ CONFIG_BF_REV_0_0=y
 # CONFIG_BF_REV_ANY is not set
 # CONFIG_BF_REV_NONE is not set
 CONFIG_BF51x=y
+CONFIG_MEM_MT48LC32M8A2_75=y
 CONFIG_BFIN518F_EZBRD=y
 #
@@ -598,7 +600,10 @@ CONFIG_PHYLIB=y
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
-# CONFIG_BFIN_MAC is not set
+CONFIG_BFIN_MAC=y
+CONFIG_BFIN_TX_DESC_NUM=10
+CONFIG_BFIN_RX_DESC_NUM=20
+# CONFIG_BFIN_MAC_RMII is not set
 # CONFIG_SMC91X is not set
 # CONFIG_SMSC911X is not set
 # CONFIG_DM9000 is not set
@@ -679,7 +684,7 @@ CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
 # CONFIG_DEVKMEM is not set
-# CONFIG_BFIN_JTAG_COMM is not set
+CONFIG_BFIN_JTAG_COMM=m
 # CONFIG_SERIAL_NONSTANDARD is not set
 #
diff --git a/arch/blackfin/configs/BF526-EZBRD_defconfig b/arch/blackfin/configs/BF526-EZBRD_defconfig
index 992424ff3153..8e2b855b8db7 100644
--- a/arch/blackfin/configs/BF526-EZBRD_defconfig
+++ b/arch/blackfin/configs/BF526-EZBRD_defconfig
@@ -723,7 +723,7 @@ CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
 # CONFIG_DEVKMEM is not set
-# CONFIG_BFIN_JTAG_COMM is not set
+CONFIG_BFIN_JTAG_COMM=m
 # CONFIG_SERIAL_NONSTANDARD is not set
 #
diff --git a/arch/blackfin/configs/BF527-EZKIT_defconfig b/arch/blackfin/configs/BF527-EZKIT_defconfig
index 21e3c1af55ba..833128b39724 100644
--- a/arch/blackfin/configs/BF527-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF527-EZKIT_defconfig
@@ -767,7 +767,7 @@ CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
 # CONFIG_DEVKMEM is not set
-# CONFIG_BFIN_JTAG_COMM is not set
+CONFIG_BFIN_JTAG_COMM=m
 # CONFIG_SERIAL_NONSTANDARD is not set
 #
diff --git a/arch/blackfin/configs/BF533-EZKIT_defconfig b/arch/blackfin/configs/BF533-EZKIT_defconfig
index 0bdf20a1af61..334c94b51c40 100644
--- a/arch/blackfin/configs/BF533-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF533-EZKIT_defconfig
@@ -672,7 +672,7 @@ CONFIG_BFIN_DMA_INTERFACE=m
 CONFIG_SIMPLE_GPIO=m
 # CONFIG_VT is not set
 # CONFIG_DEVKMEM is not set
-# CONFIG_BFIN_JTAG_COMM is not set
+CONFIG_BFIN_JTAG_COMM=m
 # CONFIG_SERIAL_NONSTANDARD is not set
 #
diff --git a/arch/blackfin/configs/BF533-STAMP_defconfig b/arch/blackfin/configs/BF533-STAMP_defconfig
index 2f747d6e97e2..9d733436e300 100644
--- a/arch/blackfin/configs/BF533-STAMP_defconfig
+++ b/arch/blackfin/configs/BF533-STAMP_defconfig
@@ -679,7 +679,7 @@ CONFIG_BFIN_DMA_INTERFACE=m
 CONFIG_SIMPLE_GPIO=m
 # CONFIG_VT is not set
 # CONFIG_DEVKMEM is not set
-# CONFIG_BFIN_JTAG_COMM is not set
+CONFIG_BFIN_JTAG_COMM=m
 # CONFIG_SERIAL_NONSTANDARD is not set
 #
diff --git a/arch/blackfin/configs/BF537-STAMP_defconfig b/arch/blackfin/configs/BF537-STAMP_defconfig
index 8b0a81294e65..4fb4108d3103 100644
--- a/arch/blackfin/configs/BF537-STAMP_defconfig
+++ b/arch/blackfin/configs/BF537-STAMP_defconfig
@@ -722,7 +722,7 @@ CONFIG_BFIN_DMA_INTERFACE=m
 CONFIG_SIMPLE_GPIO=m
 # CONFIG_VT is not set
 # CONFIG_DEVKMEM is not set
-# CONFIG_BFIN_JTAG_COMM is not set
+CONFIG_BFIN_JTAG_COMM=m
 # CONFIG_SERIAL_NONSTANDARD is not set
 #
diff --git a/arch/blackfin/configs/BF538-EZKIT_defconfig b/arch/blackfin/configs/BF538-EZKIT_defconfig
index a1f766bf7d9b..cb32f5624a1b 100644
--- a/arch/blackfin/configs/BF538-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF538-EZKIT_defconfig
@@ -726,7 +726,7 @@ CONFIG_BFIN_DMA_INTERFACE=m
 CONFIG_SIMPLE_GPIO=m
 # CONFIG_VT is not set
 # CONFIG_DEVKMEM is not set
-# CONFIG_BFIN_JTAG_COMM is not set
+CONFIG_BFIN_JTAG_COMM=m
 # CONFIG_SERIAL_NONSTANDARD is not set
 #
diff --git a/arch/blackfin/configs/BF548-EZKIT_defconfig b/arch/blackfin/configs/BF548-EZKIT_defconfig
index cd2da6b7692c..0f8697618aa5 100644
--- a/arch/blackfin/configs/BF548-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF548-EZKIT_defconfig
@@ -856,7 +856,7 @@ CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
 # CONFIG_DEVKMEM is not set
-# CONFIG_BFIN_JTAG_COMM is not set
+CONFIG_BFIN_JTAG_COMM=m
 # CONFIG_SERIAL_NONSTANDARD is not set
 #
diff --git a/arch/blackfin/configs/BF561-EZKIT_defconfig b/arch/blackfin/configs/BF561-EZKIT_defconfig
index b398ca202dbd..042c7adfccfa 100644
--- a/arch/blackfin/configs/BF561-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF561-EZKIT_defconfig
@@ -709,7 +709,7 @@ CONFIG_BFIN_DMA_INTERFACE=m
 CONFIG_SIMPLE_GPIO=m
 # CONFIG_VT is not set
 # CONFIG_DEVKMEM is not set
-# CONFIG_BFIN_JTAG_COMM is not set
+CONFIG_BFIN_JTAG_COMM=m
 # CONFIG_SERIAL_NONSTANDARD is not set
 #
diff --git a/arch/blackfin/configs/CM-BF527_defconfig b/arch/blackfin/configs/CM-BF527_defconfig
index 95146948166f..865ed85a5760 100644
--- a/arch/blackfin/configs/CM-BF527_defconfig
+++ b/arch/blackfin/configs/CM-BF527_defconfig
@@ -1,7 +1,6 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.24.7
+# Linux kernel version: 2.6.28
-# Fri Jul 18 18:00:41 2008
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
@@ -9,7 +8,6 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
 CONFIG_BLACKFIN=y
 CONFIG_ZONE_DMA=y
-CONFIG_SEMAPHORE_SLEEPERS=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
@@ -32,18 +30,16 @@ CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_USER_NS is not set
-# CONFIG_PID_NS is not set
 # CONFIG_AUDIT is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_CGROUPS is not set
-CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_GROUP_SCHED is not set
-CONFIG_FAIR_USER_SCHED=y
+CONFIG_SYSFS_DEPRECATED=y
-# CONFIG_FAIR_CGROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED_V2=y
-# CONFIG_SYSFS_DEPRECATED is not set
 # CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
@@ -52,26 +48,35 @@ CONFIG_EMBEDDED=y
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
 CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 # CONFIG_ELF_CORE is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
@@ -82,6 +87,7 @@ CONFIG_BLOCK=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
 # CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 #
 # IO Schedulers
@@ -95,9 +101,11 @@ CONFIG_IOSCHED_CFQ=y
 CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
+# CONFIG_FREEZER is not set
 #
 # Blackfin Processor Options
@@ -106,6 +114,10 @@ CONFIG_PREEMPT_VOLUNTARY=y
 #
 # Processor and Board Settings
 #
+# CONFIG_BF512 is not set
+# CONFIG_BF514 is not set
+# CONFIG_BF516 is not set
+# CONFIG_BF518 is not set
 # CONFIG_BF522 is not set
 # CONFIG_BF523 is not set
 # CONFIG_BF524 is not set
@@ -118,48 +130,32 @@ CONFIG_BF527=y
 # CONFIG_BF534 is not set
 # CONFIG_BF536 is not set
 # CONFIG_BF537 is not set
+# CONFIG_BF538 is not set
+# CONFIG_BF539 is not set
 # CONFIG_BF542 is not set
+# CONFIG_BF542M is not set
 # CONFIG_BF544 is not set
+# CONFIG_BF544M is not set
 # CONFIG_BF547 is not set
+# CONFIG_BF547M is not set
 # CONFIG_BF548 is not set
+# CONFIG_BF548M is not set
 # CONFIG_BF549 is not set
+# CONFIG_BF549M is not set
 # CONFIG_BF561 is not set
+CONFIG_BF_REV_MIN=0
+CONFIG_BF_REV_MAX=2
 # CONFIG_BF_REV_0_0 is not set
 CONFIG_BF_REV_0_1=y
 # CONFIG_BF_REV_0_2 is not set
 # CONFIG_BF_REV_0_3 is not set
 # CONFIG_BF_REV_0_4 is not set
 # CONFIG_BF_REV_0_5 is not set
+# CONFIG_BF_REV_0_6 is not set
 # CONFIG_BF_REV_ANY is not set
 # CONFIG_BF_REV_NONE is not set
 CONFIG_BF52x=y
 CONFIG_MEM_MT48LC16M16A2TG_75=y
-# CONFIG_BFIN527_EZKIT is not set
-CONFIG_BFIN527_BLUETECHNIX_CM=y
-#
-# BF527 Specific Configuration
-#
-#
-# Alternative Multiplexing Scheme
-#
-# CONFIG_BF527_SPORT0_PORTF is not set
-CONFIG_BF527_SPORT0_PORTG=y
-CONFIG_BF527_SPORT0_TSCLK_PG10=y
-# CONFIG_BF527_SPORT0_TSCLK_PG14 is not set
-CONFIG_BF527_UART1_PORTF=y
-# CONFIG_BF527_UART1_PORTG is not set
-# CONFIG_BF527_NAND_D_PORTF is not set
-CONFIG_BF527_NAND_D_PORTH=y
-#
-# Interrupt Priority Assignment
-#
-#
-# Priority
-#
 CONFIG_IRQ_PLL_WAKEUP=7
 CONFIG_IRQ_DMA0_ERROR=7
 CONFIG_IRQ_DMAR0_BLK=7
@@ -179,7 +175,6 @@ CONFIG_IRQ_SPORT0_TX=9
 CONFIG_IRQ_SPORT1_RX=9
 CONFIG_IRQ_SPORT1_TX=9
 CONFIG_IRQ_TWI=10
-CONFIG_IRQ_SPI=10
 CONFIG_IRQ_UART0_RX=10
 CONFIG_IRQ_UART0_TX=10
 CONFIG_IRQ_UART1_RX=10
@@ -205,6 +200,34 @@ CONFIG_IRQ_MEM_DMA1=13
 CONFIG_IRQ_WATCH=13
 CONFIG_IRQ_PORTF_INTA=13
 CONFIG_IRQ_PORTF_INTB=13
+# CONFIG_BFIN527_EZKIT is not set
+CONFIG_BFIN527_BLUETECHNIX_CM=y
+# CONFIG_BFIN526_EZBRD is not set
+#
+# BF527 Specific Configuration
+#
+#
+# Alternative Multiplexing Scheme
+#
+# CONFIG_BF527_SPORT0_PORTF is not set
+CONFIG_BF527_SPORT0_PORTG=y
+CONFIG_BF527_SPORT0_TSCLK_PG10=y
+# CONFIG_BF527_SPORT0_TSCLK_PG14 is not set
+CONFIG_BF527_UART1_PORTF=y
+# CONFIG_BF527_UART1_PORTG is not set
+# CONFIG_BF527_NAND_D_PORTF is not set
+CONFIG_BF527_NAND_D_PORTH=y
+#
+# Interrupt Priority Assignment
+#
+#
+# Priority
+#
+CONFIG_IRQ_SPI=10
 CONFIG_IRQ_SPI_ERROR=7
 CONFIG_IRQ_NFC_ERROR=7
 CONFIG_IRQ_HDMA_ERROR=7
@@ -226,7 +249,6 @@ CONFIG_BOOT_LOAD=0x1000
 #
 CONFIG_CLKIN_HZ=25000000
 # CONFIG_BFIN_KERNEL_CLOCK is not set
-CONFIG_MAX_MEM_SIZE=512
 CONFIG_MAX_VCO_HZ=600000000
 CONFIG_MIN_VCO_HZ=50000000
 CONFIG_MAX_SCLK_HZ=133333333
@@ -240,10 +262,10 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 # CONFIG_CYCLES_CLOCKSOURCE is not set
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -277,6 +299,12 @@ CONFIG_ACCESS_OK_L1=y
 CONFIG_CACHELINE_ALIGNED_L1=y
 # CONFIG_SYSCALL_TAB_L1 is not set
 # CONFIG_CPLB_SWITCH_TAB_L1 is not set
+CONFIG_APP_STACK_L1=y
+#
+# Speed Optimizations
+#
+CONFIG_BFIN_INS_LOWOVERHEAD=y
 CONFIG_RAMKERNEL=y
 # CONFIG_ROMKERNEL is not set
 CONFIG_SELECT_MEMORY_MODEL=y
@@ -285,10 +313,10 @@ CONFIG_FLATMEM_MANUAL=y
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
 CONFIG_BFIN_GPTIMERS=y
@@ -334,7 +362,6 @@ CONFIG_BANK_3=0xFFC0
 #
 # Bus options (PCI, PCMCIA, EISA, MCA, ISA)
 #
-# CONFIG_PCI is not set
 # CONFIG_ARCH_SUPPORTS_MSI is not set
 # CONFIG_PCCARD is not set
@@ -345,25 +372,20 @@ CONFIG_BINFMT_ELF_FDPIC=y
 CONFIG_BINFMT_FLAT=y
 CONFIG_BINFMT_ZFLAT=y
 # CONFIG_BINFMT_SHARED_FLAT is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
 #
 # Power management options
 #
 # CONFIG_PM is not set
-CONFIG_SUSPEND_UP_POSSIBLE=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
-# CONFIG_PM_BFIN_SLEEP_DEEPER is not set
-# CONFIG_PM_BFIN_SLEEP is not set
 # CONFIG_PM_WAKEUP_BY_GPIO is not set
 #
 # CPU Frequency scaling
 #
 # CONFIG_CPU_FREQ is not set
-#
-# Networking
-#
 CONFIG_NET=y
 #
@@ -376,6 +398,7 @@ CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
 # CONFIG_XFRM_SUB_POLICY is not set
 # CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -405,8 +428,6 @@ CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TCP_MD5SIG is not set
 # CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
 # CONFIG_NETLABEL is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
@@ -415,6 +436,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -431,14 +453,14 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
+# CONFIG_PHONET is not set
-#
+CONFIG_WIRELESS=y
-# Wireless
-#
 # CONFIG_CFG80211 is not set
+CONFIG_WIRELESS_OLD_REGULATORY=y
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -456,6 +478,8 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
 # CONFIG_SYS_HYPERVISOR is not set
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
@@ -464,6 +488,7 @@ CONFIG_MTD=y
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 # CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
 #
 # User Modules And Translation Layers
@@ -507,6 +532,7 @@ CONFIG_MTD_ROM=m
 #
 CONFIG_MTD_COMPLEX_MAPPINGS=y
 # CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_GPIO_ADDR is not set
 # CONFIG_MTD_UCLINUX is not set
 # CONFIG_MTD_PLATRAM is not set
@@ -542,10 +568,12 @@ CONFIG_BLK_DEV=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+# CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 # CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 #
@@ -558,7 +586,6 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
@@ -579,6 +606,7 @@ CONFIG_PHYLIB=y
 # CONFIG_SMSC_PHY is not set
 # CONFIG_BROADCOM_PHY is not set
 # CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
 # CONFIG_FIXED_PHY is not set
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
@@ -591,11 +619,14 @@ CONFIG_BFIN_MAC_RMII=y
 # CONFIG_SMC91X is not set
 # CONFIG_SMSC911X is not set
 # CONFIG_DM9000 is not set
+# CONFIG_ENC28J60 is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
-# CONFIG_B44 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
@@ -604,6 +635,7 @@ CONFIG_BFIN_MAC_RMII=y
 #
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 #
 # USB Network Adapters
@@ -616,7 +648,6 @@ CONFIG_BFIN_MAC_RMII=y
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
-# CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
@@ -642,14 +673,15 @@ CONFIG_BFIN_MAC_RMII=y
 # CONFIG_BF5xx_PPIFCD is not set
 # CONFIG_BFIN_SIMPLE_TIMER is not set
 # CONFIG_BF5xx_PPI is not set
-CONFIG_BFIN_OTP=y
+# CONFIG_BF5xx_EPPI is not set
-# CONFIG_BFIN_OTP_WRITE_ENABLE is not set
 # CONFIG_BFIN_SPORT is not set
 # CONFIG_BFIN_TIMER_LATENCY is not set
 # CONFIG_TWI_LCD is not set
+CONFIG_BFIN_DMA_INTERFACE=m
 CONFIG_SIMPLE_GPIO=m
 # CONFIG_VT is not set
 # CONFIG_DEVKMEM is not set
+# CONFIG_BFIN_JTAG_COMM is not set
 # CONFIG_SERIAL_NONSTANDARD is not set
 #
@@ -673,6 +705,8 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_BFIN_SPORT is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_LEGACY_PTYS is not set
+CONFIG_BFIN_OTP=y
+# CONFIG_BFIN_OTP_WRITE_ENABLE is not set
 #
 # CAN, the car bus and industrial fieldbus
@@ -680,44 +714,49 @@ CONFIG_UNIX98_PTYS=y
 # CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
 # CONFIG_HW_RANDOM is not set
-# CONFIG_GEN_RTC is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
 CONFIG_I2C_CHARDEV=m
+CONFIG_I2C_HELPER_AUTO=y
 #
-# I2C Algorithms
+# I2C Hardware Bus support
 #
-# CONFIG_I2C_ALGOBIT is not set
-# CONFIG_I2C_ALGOPCF is not set
-# CONFIG_I2C_ALGOPCA is not set
 #
-# I2C Hardware Bus support
+# I2C system bus drivers (mostly embedded / system-on-chip)
 #
 CONFIG_I2C_BLACKFIN_TWI=m
 CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
 # CONFIG_I2C_GPIO is not set
 # CONFIG_I2C_OCORES is not set
-# CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_SIMTEC is not set
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_TAOS_EVM is not set
-# CONFIG_I2C_STUB is not set
 # CONFIG_I2C_TINY_USB is not set
 #
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+#
 # Miscellaneous I2C Chip support
 #
-# CONFIG_SENSORS_DS1337 is not set
-# CONFIG_SENSORS_DS1374 is not set
 # CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
 # CONFIG_SENSORS_AD5252 is not set
-# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_SENSORS_PCF8575 is not set
+# CONFIG_PCF8575 is not set
 # CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_PCF8591 is not set
 # CONFIG_SENSORS_MAX6875 is not set
@@ -726,37 +765,41 @@ CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
 # CONFIG_I2C_DEBUG_CHIP is not set
-#
-# SPI support
-#
 CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
 CONFIG_SPI_MASTER=y
 #
 # SPI Master Controller Drivers
 #
 CONFIG_SPI_BFIN=y
+# CONFIG_SPI_BFIN_LOCK is not set
 # CONFIG_SPI_BITBANG is not set
 #
 # SPI Protocol Masters
 #
-# CONFIG_EEPROM_AT25 is not set
+# CONFIG_SPI_AT25 is not set
 # CONFIG_SPI_SPIDEV is not set
 # CONFIG_SPI_TLE62X0 is not set
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+# CONFIG_GPIOLIB is not set
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_AD7414 is not set
 # CONFIG_SENSORS_AD7418 is not set
+# CONFIG_SENSORS_ADCXX is not set
 # CONFIG_SENSORS_ADM1021 is not set
 # CONFIG_SENSORS_ADM1025 is not set
 # CONFIG_SENSORS_ADM1026 is not set
 # CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
+# CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_F71805F is not set
@@ -777,6 +820,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_LM90 is not set
 # CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_LM93 is not set
+# CONFIG_SENSORS_MAX1111 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_MAX6650 is not set
 # CONFIG_SENSORS_PC87360 is not set
@@ -785,6 +829,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_ADS7828 is not set
 # CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_W83781D is not set
@@ -792,9 +837,12 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_W83792D is not set
 # CONFIG_SENSORS_W83793 is not set
 # CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
@@ -810,21 +858,31 @@ CONFIG_BFIN_WDT=y
 # CONFIG_USBPCWATCHDOG is not set
 #
-# Sonics Silicon Backplane
-#
-CONFIG_SSB_POSSIBLE=y
-# CONFIG_SSB is not set
-#
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_REGULATOR is not set
 #
 # Multimedia devices
 #
+#
+# Multimedia core support
+#
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+#
+# Multimedia drivers
+#
 # CONFIG_DAB is not set
 #
@@ -839,10 +897,6 @@ CONFIG_SSB_POSSIBLE=y
 # Display device support
 #
 # CONFIG_DISPLAY_SUPPORT is not set
-#
-# Sound
-#
 # CONFIG_SOUND is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
@@ -850,6 +904,7 @@ CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_EHCI is not set
 CONFIG_USB=y
 # CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
 #
 # Miscellaneous USB options
@@ -860,40 +915,48 @@ CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_OTG is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 CONFIG_USB_OTG_BLACKLIST_HUB=y
+CONFIG_USB_MON=y
+# CONFIG_USB_WUSB is not set
+# CONFIG_USB_WUSB_CBAF is not set
 #
 # USB Host Controller Drivers
 #
+# CONFIG_USB_C67X00_HCD is not set
 # CONFIG_USB_ISP116X_HCD is not set
-# CONFIG_USB_ISP1362_HCD is not set
 # CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_ISP1362_HCD is not set
 # CONFIG_USB_SL811_HCD is not set
 # CONFIG_USB_R8A66597_HCD is not set
+# CONFIG_USB_HWA_HCD is not set
 CONFIG_USB_MUSB_HDRC=y
 CONFIG_USB_MUSB_SOC=y
 #
-# Blackfin high speed USB support
+# Blackfin high speed USB Support
 #
 CONFIG_USB_MUSB_HOST=y
 # CONFIG_USB_MUSB_PERIPHERAL is not set
 # CONFIG_USB_MUSB_OTG is not set
 CONFIG_USB_MUSB_HDRC_HCD=y
 CONFIG_MUSB_PIO_ONLY=y
-CONFIG_USB_MUSB_LOGLEVEL=0
+CONFIG_MUSB_DMA_POLL=y
+# CONFIG_USB_MUSB_DEBUG is not set
 #
 # USB Device Class drivers
 #
 # CONFIG_USB_ACM is not set
 # CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed;
 #
 #
-# may also be needed; see USB_STORAGE Help for more information
+# see USB_STORAGE Help for more information
 #
 # CONFIG_USB_LIBUSUAL is not set
@@ -901,15 +964,10 @@ CONFIG_USB_MUSB_LOGLEVEL=0
 # USB Imaging devices
 #
 # CONFIG_USB_MDC800 is not set
-CONFIG_USB_MON=y
 #
 # USB port drivers
 #
-#
-# USB Serial Converter support
-#
 # CONFIG_USB_SERIAL is not set
 #
@@ -918,7 +976,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_SEVSEG is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
@@ -934,17 +992,13 @@ CONFIG_USB_MON=y
 # CONFIG_USB_LD is not set
 # CONFIG_USB_TRANCEVIBRATOR is not set
 # CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_ISIGHTFW is not set
-#
+# CONFIG_USB_VST is not set
-# USB DSL modem support
-#
-#
-# USB Gadget Support
-#
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
 CONFIG_RTC_LIB=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_HCTOSYS=y
@@ -973,51 +1027,59 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_PCF8563 is not set
 # CONFIG_RTC_DRV_PCF8583 is not set
 # CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
 #
 # SPI RTC drivers
 #
-# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_DS1390 is not set
 # CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
-# CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 #
 # on-CPU RTC drivers
 #
 CONFIG_RTC_DRV_BFIN=y
+# CONFIG_DMADEVICES is not set
-#
-# Userspace I/O
-#
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 #
 # File systems
 #
 # CONFIG_EXT2_FS is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
+# CONFIG_DNOTIFY is not set
-# CONFIG_ROMFS_FS is not set
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-# CONFIG_DNOTIFY is not set
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -1059,8 +1121,11 @@ CONFIG_SYSFS=y
 # CONFIG_JFFS2_FS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
@@ -1068,13 +1133,12 @@ CONFIG_NFS_FS=m
 CONFIG_NFS_V3=y
 # CONFIG_NFS_V3_ACL is not set
 # CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
 # CONFIG_NFSD is not set
 CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
-# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1130,7 +1194,6 @@ CONFIG_NLS_DEFAULT="iso8859-1"
 # CONFIG_NLS_KOI8_U is not set
 # CONFIG_NLS_UTF8 is not set
 # CONFIG_DLM is not set
-# CONFIG_INSTRUMENTATION is not set
 #
 # Kernel hacking
@@ -1138,14 +1201,61 @@ CONFIG_NLS_DEFAULT="iso8859-1"
 # CONFIG_PRINTK_TIME is not set
 CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
-# CONFIG_DEBUG_KERNEL is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_FRAME_POINTER is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+#
+# Tracers
+#
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+# CONFIG_DEBUG_STACKOVERFLOW is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_KGDB_TESTCASE is not set
+CONFIG_DEBUG_VERBOSE=y
 CONFIG_DEBUG_MMRS=y
+# CONFIG_DEBUG_HWERR is not set
+# CONFIG_DEBUG_DOUBLEFAULT is not set
 CONFIG_DEBUG_HUNT_FOR_ZERO=y
 CONFIG_DEBUG_BFIN_HWTRACE_ON=y
 CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_OFF=y
@@ -1154,7 +1264,7 @@ CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_OFF=y
 CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION=0
 # CONFIG_DEBUG_BFIN_HWTRACE_EXPAND is not set
 # CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE is not set
-CONFIG_EARLY_PRINTK=y
+# CONFIG_EARLY_PRINTK is not set
 # CONFIG_CPLB_INFO is not set
 CONFIG_ACCESS_CHECK=y
@@ -1163,10 +1273,96 @@ CONFIG_ACCESS_CHECK=y
 #
 # CONFIG_KEYS is not set
 CONFIG_SECURITY=y
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_NETWORK is not set
-# CONFIG_SECURITY_CAPABILITIES is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
 # CONFIG_SECURITY_ROOTPLUG is not set
-# CONFIG_CRYPTO is not set
+CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0
+CONFIG_CRYPTO=y
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_MANAGER2 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
 #
 # Library routines
@@ -1174,6 +1370,7 @@ CONFIG_SECURITY=y
 CONFIG_BITREVERSE=y
 CONFIG_CRC_CCITT=m
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
diff --git a/arch/blackfin/include/asm/checksum.h b/arch/blackfin/include/asm/checksum.h
index f67289a0d8d2..793581fc9556 100644
--- a/arch/blackfin/include/asm/checksum.h
+++ b/arch/blackfin/include/asm/checksum.h
@@ -63,23 +63,23 @@ static inline __wsum
 csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
                   unsigned short proto, __wsum sum)
 {
+        unsigned int carry;
-        __asm__ ("%0 = %0 + %1;\n\t"
-                 "CC = AC0;\n\t"
+        __asm__ ("%0 = %0 + %2;\n\t"
-                 "if !CC jump 4;\n\t"
+                "CC = AC0;\n\t"
-                 "%0 = %0 + %4;\n\t"
+                "%1 = CC;\n\t"
-                 "%0 = %0 + %2;\n\t"
+                "%0 = %0 + %1;\n\t"
-                 "CC = AC0;\n\t"
+                "%0 = %0 + %3;\n\t"
-                 "if !CC jump 4;\n\t"
+                "CC = AC0;\n\t"
-                 "%0 = %0 + %4;\n\t"
+                "%1 = CC;\n\t"
-                 "%0 = %0 + %3;\n\t"
+                "%0 = %0 + %1;\n\t"
-                 "CC = AC0;\n\t"
+                "%0 = %0 + %4;\n\t"
-                 "if !CC jump 4;\n\t"
+                "CC = AC0;\n\t"
-                 "%0 = %0 + %4;\n\t"
+                "%1 = CC;\n\t"
-                 "NOP;\n\t"
+                "%0 = %0 + %1;\n\t"
-                 : "=d" (sum)
+                : "=d" (sum), "=&d" (carry)
-                 : "d" (daddr), "d" (saddr), "d" ((ntohs(len)<<16)+proto*256), "d" (1), "0"(sum)
+                : "d" (daddr), "d" (saddr), "d" ((len + proto) << 8), "0"(sum)
-                 : "CC");
+                : "CC");
        return (sum);
 }
diff --git a/arch/blackfin/include/asm/delay.h b/arch/blackfin/include/asm/delay.h
index 0889c3abb593..c31f91cc1d5d 100644
--- a/arch/blackfin/include/asm/delay.h
+++ b/arch/blackfin/include/asm/delay.h
@@ -13,29 +13,7 @@
 static inline void __delay(unsigned long loops)
 {
-        if (ANOMALY_05000312) {
+__asm__ __volatile__ (
-                /* Interrupted loads to loop registers -> bad */
-                unsigned long tmp;
-                __asm__ __volatile__(
-                        "[--SP] = LC0;"
-                        "[--SP] = LT0;"
-                        "[--SP] = LB0;"
-                        "LSETUP (1f,1f) LC0 = %1;"
-                        "1: NOP;"
-                        /* We take advantage of the fact that LC0 is 0 at
-                         * the end of the loop.  Otherwise we'd need some
-                         * NOPs after the CLI here.
-                         */
-                        "CLI %0;"
-                        "LB0 = [SP++];"
-                        "LT0 = [SP++];"
-                        "LC0 = [SP++];"
-                        "STI %0;"
-                        : "=d" (tmp)
-                        : "a" (loops)
-                );
-        } else
-                __asm__ __volatile__ (
                        "LSETUP(1f, 1f) LC0 = %0;"
                        "1: NOP;"
                        :
@@ -47,16 +25,15 @@ static inline void __delay(unsigned long loops)
 #include <linux/param.h>        /* needed for HZ */
 /*
- * Use only for very small delays ( < 1 msec).  Should probably use a
+ * close approximation borrowed from m68knommu to avoid 64-bit math
- * lookup table, really, as the multiplications take much too long with
- * short delays.  This is a "reasonable" implementation, though (and the
- * first constant multiplications gets optimized away if the delay is
- * a constant)
 */
+#define HZSCALE         (268435456 / (1000000/HZ))
 static inline void udelay(unsigned long usecs)
 {
        extern unsigned long loops_per_jiffy;
-        __delay(usecs * loops_per_jiffy / (1000000 / HZ));
+        __delay((((usecs * HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6);
 }
 #endif
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
index 9477d82fcad2..d4a082ef75b4 100644
--- a/arch/blackfin/include/asm/gpio.h
+++ b/arch/blackfin/include/asm/gpio.h
@@ -27,60 +27,6 @@
 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
-/*
-*  Number     BF537/6/4    BF561    BF533/2/1
-*             BF527/5/2
-*
-*  GPIO_0       PF0         PF0        PF0
-*  GPIO_1       PF1         PF1        PF1
-*  GPIO_2       PF2         PF2        PF2
-*  GPIO_3       PF3         PF3        PF3
-*  GPIO_4       PF4         PF4        PF4
-*  GPIO_5       PF5         PF5        PF5
-*  GPIO_6       PF6         PF6        PF6
-*  GPIO_7       PF7         PF7        PF7
-*  GPIO_8       PF8         PF8        PF8
-*  GPIO_9       PF9         PF9        PF9
-*  GPIO_10      PF10        PF10       PF10
-*  GPIO_11      PF11        PF11       PF11
-*  GPIO_12      PF12        PF12       PF12
-*  GPIO_13      PF13        PF13       PF13
-*  GPIO_14      PF14        PF14       PF14
-*  GPIO_15      PF15        PF15       PF15
-*  GPIO_16      PG0         PF16
-*  GPIO_17      PG1         PF17
-*  GPIO_18      PG2         PF18
-*  GPIO_19      PG3         PF19
-*  GPIO_20      PG4         PF20
-*  GPIO_21      PG5         PF21
-*  GPIO_22      PG6         PF22
-*  GPIO_23      PG7         PF23
-*  GPIO_24      PG8         PF24
-*  GPIO_25      PG9         PF25
-*  GPIO_26      PG10        PF26
-*  GPIO_27      PG11        PF27
-*  GPIO_28      PG12        PF28
-*  GPIO_29      PG13        PF29
-*  GPIO_30      PG14        PF30
-*  GPIO_31      PG15        PF31
-*  GPIO_32      PH0         PF32
-*  GPIO_33      PH1         PF33
-*  GPIO_34      PH2         PF34
-*  GPIO_35      PH3         PF35
-*  GPIO_36      PH4         PF36
-*  GPIO_37      PH5         PF37
-*  GPIO_38      PH6         PF38
-*  GPIO_39      PH7         PF39
-*  GPIO_40      PH8         PF40
-*  GPIO_41      PH9         PF41
-*  GPIO_42      PH10        PF42
-*  GPIO_43      PH11        PF43
-*  GPIO_44      PH12        PF44
-*  GPIO_45      PH13        PF45
-*  GPIO_46      PH14        PF46
-*  GPIO_47      PH15        PF47
-*/
 #ifndef __ARCH_BLACKFIN_GPIO_H__
 #define __ARCH_BLACKFIN_GPIO_H__
@@ -295,10 +241,6 @@ int bfin_gpio_direction_output(unsigned gpio, int value);
 int bfin_gpio_get_value(unsigned gpio);
 void bfin_gpio_set_value(unsigned gpio, int value);
-#ifndef BF548_FAMILY
-#define bfin_gpio_set_value(gpio, value)    set_gpio_data(gpio, value)
-#endif
 #ifdef CONFIG_GPIOLIB
 #include <asm-generic/gpio.h>           /* cansleep wrappers */
diff --git a/arch/blackfin/include/asm/kgdb.h b/arch/blackfin/include/asm/kgdb.h
index 26ebac6646d8..c8b256d2ea30 100644
--- a/arch/blackfin/include/asm/kgdb.h
+++ b/arch/blackfin/include/asm/kgdb.h
@@ -1,32 +1,8 @@
-/*
+/* Blackfin KGDB header
- * File:         include/asm-blackfin/kgdb.h
- * Based on:
- * Author:       Sonic Zhang
- *
- * Created:
- * Description:
- *
- * Rev:          $Id: kgdb_bfin_linux-2.6.x.patch 4934 2007-02-13 09:32:11Z sonicz $
- *
- * Modified:
- *               Copyright 2005-2006 Analog Devices Inc.
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
 *
- * This program is free software; you can redistribute it and/or modify
+ * Copyright 2005-2009 Analog Devices Inc.
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
 *
- * This program is distributed in the hope that it will be useful,
+ * Licensed under the GPL-2 or later.
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 #ifndef __ASM_BLACKFIN_KGDB_H__
@@ -37,17 +13,18 @@
 /* gdb locks */
 #define KGDB_MAX_NO_CPUS 8
-/************************************************************************/
+/*
-/* BUFMAX defines the maximum number of characters in inbound/outbound buffers*/
+ * BUFMAX defines the maximum number of characters in inbound/outbound buffers.
-/* at least NUMREGBYTES*2 are needed for register packets */
+ * At least NUMREGBYTES*2 are needed for register packets.
-/* Longer buffer is needed to list all threads */
+ * Longer buffer is needed to list all threads.
+ */
 #define BUFMAX 2048
 /*
- *  Note that this register image is different from
+ * Note that this register image is different from
- *  the register image that Linux produces at interrupt time.
+ * the register image that Linux produces at interrupt time.
- *  
+ *
- *  Linux's register image is defined by struct pt_regs in ptrace.h.
+ * Linux's register image is defined by struct pt_regs in ptrace.h.
 */
 enum regnames {
  /* Core Registers */
@@ -104,14 +81,14 @@ enum regnames {
  BFIN_RETX,
  BFIN_RETN,
  BFIN_RETE,
-  
  /* Pseudo Registers */
  BFIN_PC,
  BFIN_CC,
  BFIN_EXTRA1,          /* Address of .text section.  */
  BFIN_EXTRA2,          /* Address of .data section.  */
  BFIN_EXTRA3,          /* Address of .bss section.  */
-  BFIN_FDPIC_EXEC, 
+  BFIN_FDPIC_EXEC,
  BFIN_FDPIC_INTERP,
  /* MMRs */
@@ -126,7 +103,7 @@ enum regnames {
 static inline void arch_kgdb_breakpoint(void)
 {
-        asm("   EXCPT 2;");
+        asm("EXCPT 2;");
 }
 #define BREAK_INSTR_SIZE        2
 #define CACHE_FLUSH_IS_SAFE     1
diff --git a/arch/blackfin/include/asm/mem_init.h b/arch/blackfin/include/asm/mem_init.h
index 255a9316ad36..61f7487fbf12 100644
--- a/arch/blackfin/include/asm/mem_init.h
+++ b/arch/blackfin/include/asm/mem_init.h
@@ -115,7 +115,7 @@
 #define mem_SDRRC       (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num)
 /* Enable SCLK Out */
-#define mem_SDGCTL        (0x80000000 | SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS)
+#define mem_SDGCTL        (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS)
 #else
 #define mem_SDRRC       CONFIG_MEM_SDRRC
 #define mem_SDGCTL      CONFIG_MEM_SDGCTL
diff --git a/arch/blackfin/include/asm/pda.h b/arch/blackfin/include/asm/pda.h
index bd8d4a7efeb2..a67142740df0 100644
--- a/arch/blackfin/include/asm/pda.h
+++ b/arch/blackfin/include/asm/pda.h
@@ -59,6 +59,7 @@ struct blackfin_pda {			/* Per-processor Data Area */
        unsigned long icplb_fault_addr;
        unsigned long retx;
        unsigned long seqstat;
+        unsigned int __nmi_count;       /* number of times NMI asserted on this CPU */
 };
 extern struct blackfin_pda cpu_pda[];
diff --git a/arch/blackfin/include/asm/reboot.h b/arch/blackfin/include/asm/reboot.h
index 4856d62b7467..ae1e36329bec 100644
--- a/arch/blackfin/include/asm/reboot.h
+++ b/arch/blackfin/include/asm/reboot.h
@@ -15,6 +15,6 @@ extern void native_machine_halt(void);
 extern void native_machine_power_off(void);
 /* common reboot workarounds */
-extern void bfin_gpio_reset_spi0_ssel1(void);
+extern void bfin_reset_boot_spi_cs(unsigned short pin);
 #endif
diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index 38a233374f07..4a92a86824b7 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -15,6 +15,8 @@ else
    obj-y += time.o
 endif
+CFLAGS_kgdb_test.o := -mlong-calls -O0
 obj-$(CONFIG_IPIPE)                  += ipipe.o
 obj-$(CONFIG_IPIPE_TRACE_MCOUNT)     += mcount.o
 obj-$(CONFIG_BFIN_GPTIMERS)          += gptimers.o
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index 07e02c0d1c07..8531693fb48d 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -249,6 +249,13 @@ static void __dma_memcpy(u32 daddr, s16 dmod, u32 saddr, s16 smod, size_t cnt, u
        spin_lock_irqsave(&mdma_lock, flags);
+        /* Force a sync in case a previous config reset on this channel
+         * occurred.  This is needed so subsequent writes to DMA registers
+         * are not spuriously lost/corrupted.  Do it under irq lock and
+         * without the anomaly version (because we are atomic already).
+         */
+        __builtin_bfin_ssync();
        if (bfin_read_MDMA_S0_CONFIG())
                while (!(bfin_read_MDMA_D0_IRQ_STATUS() & DMA_DONE))
                        continue;
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index 4c14331978f6..51dac55c524a 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -27,59 +27,6 @@
 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
-/*
-*  Number     BF537/6/4    BF561    BF533/2/1      BF549/8/4/2
-*
-*  GPIO_0       PF0         PF0        PF0         PA0...PJ13
-*  GPIO_1       PF1         PF1        PF1
-*  GPIO_2       PF2         PF2        PF2
-*  GPIO_3       PF3         PF3        PF3
-*  GPIO_4       PF4         PF4        PF4
-*  GPIO_5       PF5         PF5        PF5
-*  GPIO_6       PF6         PF6        PF6
-*  GPIO_7       PF7         PF7        PF7
-*  GPIO_8       PF8         PF8        PF8
-*  GPIO_9       PF9         PF9        PF9
-*  GPIO_10      PF10        PF10       PF10
-*  GPIO_11      PF11        PF11       PF11
-*  GPIO_12      PF12        PF12       PF12
-*  GPIO_13      PF13        PF13       PF13
-*  GPIO_14      PF14        PF14       PF14
-*  GPIO_15      PF15        PF15       PF15
-*  GPIO_16      PG0         PF16
-*  GPIO_17      PG1         PF17
-*  GPIO_18      PG2         PF18
-*  GPIO_19      PG3         PF19
-*  GPIO_20      PG4         PF20
-*  GPIO_21      PG5         PF21
-*  GPIO_22      PG6         PF22
-*  GPIO_23      PG7         PF23
-*  GPIO_24      PG8         PF24
-*  GPIO_25      PG9         PF25
-*  GPIO_26      PG10        PF26
-*  GPIO_27      PG11        PF27
-*  GPIO_28      PG12        PF28
-*  GPIO_29      PG13        PF29
-*  GPIO_30      PG14        PF30
-*  GPIO_31      PG15        PF31
-*  GPIO_32      PH0         PF32
-*  GPIO_33      PH1         PF33
-*  GPIO_34      PH2         PF34
-*  GPIO_35      PH3         PF35
-*  GPIO_36      PH4         PF36
-*  GPIO_37      PH5         PF37
-*  GPIO_38      PH6         PF38
-*  GPIO_39      PH7         PF39
-*  GPIO_40      PH8         PF40
-*  GPIO_41      PH9         PF41
-*  GPIO_42      PH10        PF42
-*  GPIO_43      PH11        PF43
-*  GPIO_44      PH12        PF44
-*  GPIO_45      PH13        PF45
-*  GPIO_46      PH14        PF46
-*  GPIO_47      PH15        PF47
-*/
 #include <linux/delay.h>
 #include <linux/module.h>
 #include <linux/err.h>
@@ -119,62 +66,61 @@ enum {
 #define AWA_DUMMY_READ(...)  do { } while (0)
 #endif
+static struct gpio_port_t * const gpio_array[] = {
 #if defined(BF533_FAMILY) || defined(BF538_FAMILY)
-static struct gpio_port_t *gpio_bankb[] = {
        (struct gpio_port_t *) FIO_FLAG_D,
-};
+#elif defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
-#endif
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
-static struct gpio_port_t *gpio_bankb[] = {
        (struct gpio_port_t *) PORTFIO,
        (struct gpio_port_t *) PORTGIO,
        (struct gpio_port_t *) PORTHIO,
+#elif defined(BF561_FAMILY)
+        (struct gpio_port_t *) FIO0_FLAG_D,
+        (struct gpio_port_t *) FIO1_FLAG_D,
+        (struct gpio_port_t *) FIO2_FLAG_D,
+#elif defined(BF548_FAMILY)
+        (struct gpio_port_t *)PORTA_FER,
+        (struct gpio_port_t *)PORTB_FER,
+        (struct gpio_port_t *)PORTC_FER,
+        (struct gpio_port_t *)PORTD_FER,
+        (struct gpio_port_t *)PORTE_FER,
+        (struct gpio_port_t *)PORTF_FER,
+        (struct gpio_port_t *)PORTG_FER,
+        (struct gpio_port_t *)PORTH_FER,
+        (struct gpio_port_t *)PORTI_FER,
+        (struct gpio_port_t *)PORTJ_FER,
+#else
+# error no gpio arrays defined
+#endif
 };
-static unsigned short *port_fer[] = {
+#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
+static unsigned short * const port_fer[] = {
        (unsigned short *) PORTF_FER,
        (unsigned short *) PORTG_FER,
        (unsigned short *) PORTH_FER,
 };
-#endif
-#if defined(BF527_FAMILY) || defined(BF518_FAMILY)
+# if !defined(BF537_FAMILY)
-static unsigned short *port_mux[] = {
+static unsigned short * const port_mux[] = {
        (unsigned short *) PORTF_MUX,
        (unsigned short *) PORTG_MUX,
        (unsigned short *) PORTH_MUX,
 };
 static const
-u8 pmux_offset[][16] =
+u8 pmux_offset[][16] = {
-        {{ 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 4, 6, 8, 8, 10, 10 }, /* PORTF */
+#  if defined(BF527_FAMILY)
-         { 0, 0, 0, 0, 0, 2, 2, 4, 4, 6, 8, 10, 10, 10, 12, 12 }, /* PORTG */
+        { 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 4, 6, 8, 8, 10, 10 }, /* PORTF */
-         { 0, 0, 0, 0, 0, 0, 0, 0, 2, 4, 4, 4, 4, 4, 4, 4 }, /* PORTH */
+        { 0, 0, 0, 0, 0, 2, 2, 4, 4, 6, 8, 10, 10, 10, 12, 12 }, /* PORTG */
-        };
+        { 0, 0, 0, 0, 0, 0, 0, 0, 2, 4, 4, 4, 4, 4, 4, 4 }, /* PORTH */
-#endif
+#  elif defined(BF518_FAMILY)
+        { 0, 2, 2, 2, 2, 2, 2, 4, 6, 6, 6, 8, 8, 8, 8, 10 }, /* PORTF */
-#ifdef BF561_FAMILY
+        { 0, 0, 0, 2, 4, 6, 6, 6, 8, 10, 10, 12, 14, 14, 14, 14 }, /* PORTG */
-static struct gpio_port_t *gpio_bankb[] = {
+        { 0, 0, 0, 0, 2, 2, 4, 6, 10, 10, 10, 10, 10, 10, 10, 10 }, /* PORTH */
-        (struct gpio_port_t *) FIO0_FLAG_D,
+#  endif
-        (struct gpio_port_t *) FIO1_FLAG_D,
-        (struct gpio_port_t *) FIO2_FLAG_D,
 };
-#endif
+# endif
-#ifdef BF548_FAMILY
-static struct gpio_port_t *gpio_array[] = {
-        (struct gpio_port_t *)PORTA_FER,
-        (struct gpio_port_t *)PORTB_FER,
-        (struct gpio_port_t *)PORTC_FER,
-        (struct gpio_port_t *)PORTD_FER,
-        (struct gpio_port_t *)PORTE_FER,
-        (struct gpio_port_t *)PORTF_FER,
-        (struct gpio_port_t *)PORTG_FER,
-        (struct gpio_port_t *)PORTH_FER,
-        (struct gpio_port_t *)PORTI_FER,
-        (struct gpio_port_t *)PORTJ_FER,
-};
 #endif
 static unsigned short reserved_gpio_map[GPIO_BANK_NUM];
@@ -188,35 +134,9 @@ static struct str_ident {
 } str_ident[MAX_RESOURCES];
 #if defined(CONFIG_PM)
-#if defined(CONFIG_BF54x)
-static struct gpio_port_s gpio_bank_saved[GPIO_BANK_NUM];
-#else
-static unsigned short wakeup_map[GPIO_BANK_NUM];
-static unsigned char wakeup_flags_map[MAX_BLACKFIN_GPIOS];
 static struct gpio_port_s gpio_bank_saved[GPIO_BANK_NUM];
-#ifdef BF533_FAMILY
-static unsigned int sic_iwr_irqs[] = {IRQ_PROG_INTB};
-#endif
-#ifdef BF537_FAMILY
-static unsigned int sic_iwr_irqs[] = {IRQ_PROG_INTB, IRQ_PORTG_INTB, IRQ_MAC_TX};
-#endif
-#ifdef BF538_FAMILY
-static unsigned int sic_iwr_irqs[] = {IRQ_PORTF_INTB};
 #endif
-#if defined(BF527_FAMILY) || defined(BF518_FAMILY)
-static unsigned int sic_iwr_irqs[] = {IRQ_PORTF_INTB, IRQ_PORTG_INTB, IRQ_PORTH_INTB};
-#endif
-#ifdef BF561_FAMILY
-static unsigned int sic_iwr_irqs[] = {IRQ_PROG0_INTB, IRQ_PROG1_INTB, IRQ_PROG2_INTB};
-#endif
-#endif
-#endif /* CONFIG_PM */
 inline int check_gpio(unsigned gpio)
 {
 #if defined(BF548_FAMILY)
@@ -330,9 +250,10 @@ static struct {
        {.res = P_SPI0_SSEL3, .offset = 0},
 };
-static void portmux_setup(unsigned short per, unsigned short function)
+static void portmux_setup(unsigned short per)
 {
        u16 y, offset, muxreg;
+        u16 function = P_FUNCT2MUX(per);
        for (y = 0; y < ARRAY_SIZE(port_mux_lut); y++) {
                if (port_mux_lut[y].res == per) {
@@ -353,30 +274,33 @@ static void portmux_setup(unsigned short per, unsigned short function)
        }
 }
 #elif defined(BF548_FAMILY)
-inline void portmux_setup(unsigned short portno, unsigned short function)
+inline void portmux_setup(unsigned short per)
 {
        u32 pmux;
+        u16 ident = P_IDENT(per);
+        u16 function = P_FUNCT2MUX(per);
-        pmux = gpio_array[gpio_bank(portno)]->port_mux;
+        pmux = gpio_array[gpio_bank(ident)]->port_mux;
-        pmux &= ~(0x3 << (2 * gpio_sub_n(portno)));
+        pmux &= ~(0x3 << (2 * gpio_sub_n(ident)));
-        pmux |= (function & 0x3) << (2 * gpio_sub_n(portno));
+        pmux |= (function & 0x3) << (2 * gpio_sub_n(ident));
-        gpio_array[gpio_bank(portno)]->port_mux = pmux;
+        gpio_array[gpio_bank(ident)]->port_mux = pmux;
 }
-inline u16 get_portmux(unsigned short portno)
+inline u16 get_portmux(unsigned short per)
 {
        u32 pmux;
+        u16 ident = P_IDENT(per);
-        pmux = gpio_array[gpio_bank(portno)]->port_mux;
+        pmux = gpio_array[gpio_bank(ident)]->port_mux;
-        return (pmux >> (2 * gpio_sub_n(portno)) & 0x3);
+        return (pmux >> (2 * gpio_sub_n(ident)) & 0x3);
 }
 #elif defined(BF527_FAMILY) || defined(BF518_FAMILY)
-inline void portmux_setup(unsigned short portno, unsigned short function)
+inline void portmux_setup(unsigned short per)
 {
-        u16 pmux, ident = P_IDENT(portno);
+        u16 pmux, ident = P_IDENT(per), function = P_FUNCT2MUX(per);
        u8 offset = pmux_offset[gpio_bank(ident)][gpio_sub_n(ident)];
        pmux = *port_mux[gpio_bank(ident)];
@@ -424,90 +348,71 @@ void set_gpio_ ## name(unsigned gpio, unsigned short arg) \
        unsigned long flags; \
        local_irq_save_hw(flags); \
        if (arg) \
-                gpio_bankb[gpio_bank(gpio)]->name |= gpio_bit(gpio); \
+                gpio_array[gpio_bank(gpio)]->name |= gpio_bit(gpio); \
        else \
-                gpio_bankb[gpio_bank(gpio)]->name &= ~gpio_bit(gpio); \
+                gpio_array[gpio_bank(gpio)]->name &= ~gpio_bit(gpio); \
        AWA_DUMMY_READ(name); \
        local_irq_restore_hw(flags); \
 } \
 EXPORT_SYMBOL(set_gpio_ ## name);
-SET_GPIO(dir)
+SET_GPIO(dir)   /* set_gpio_dir() */
-SET_GPIO(inen)
+SET_GPIO(inen)  /* set_gpio_inen() */
-SET_GPIO(polar)
+SET_GPIO(polar) /* set_gpio_polar() */
-SET_GPIO(edge)
+SET_GPIO(edge)  /* set_gpio_edge() */
-SET_GPIO(both)
+SET_GPIO(both)  /* set_gpio_both() */
-#if ANOMALY_05000311 || ANOMALY_05000323
 #define SET_GPIO_SC(name) \
 void set_gpio_ ## name(unsigned gpio, unsigned short arg) \
 { \
        unsigned long flags; \
-        local_irq_save_hw(flags); \
+        if (ANOMALY_05000311 || ANOMALY_05000323) \
-        if (arg) \
+                local_irq_save_hw(flags); \
-                gpio_bankb[gpio_bank(gpio)]->name ## _set = gpio_bit(gpio); \
-        else \
-                gpio_bankb[gpio_bank(gpio)]->name ## _clear = gpio_bit(gpio); \
-        AWA_DUMMY_READ(name); \
-        local_irq_restore_hw(flags); \
-} \
-EXPORT_SYMBOL(set_gpio_ ## name);
-#else
-#define SET_GPIO_SC(name) \
-void set_gpio_ ## name(unsigned gpio, unsigned short arg) \
-{ \
        if (arg) \
-                gpio_bankb[gpio_bank(gpio)]->name ## _set = gpio_bit(gpio); \
+                gpio_array[gpio_bank(gpio)]->name ## _set = gpio_bit(gpio); \
        else \
-                gpio_bankb[gpio_bank(gpio)]->name ## _clear = gpio_bit(gpio); \
+                gpio_array[gpio_bank(gpio)]->name ## _clear = gpio_bit(gpio); \
+        if (ANOMALY_05000311 || ANOMALY_05000323) { \
+                AWA_DUMMY_READ(name); \
+                local_irq_restore_hw(flags); \
+        } \
 } \
 EXPORT_SYMBOL(set_gpio_ ## name);
-#endif
 SET_GPIO_SC(maska)
 SET_GPIO_SC(maskb)
 SET_GPIO_SC(data)
-#if ANOMALY_05000311 || ANOMALY_05000323
 void set_gpio_toggle(unsigned gpio)
 {
        unsigned long flags;
-        local_irq_save_hw(flags);
+        if (ANOMALY_05000311 || ANOMALY_05000323)
-        gpio_bankb[gpio_bank(gpio)]->toggle = gpio_bit(gpio);
+                local_irq_save_hw(flags);
-        AWA_DUMMY_READ(toggle);
+        gpio_array[gpio_bank(gpio)]->toggle = gpio_bit(gpio);
-        local_irq_restore_hw(flags);
+        if (ANOMALY_05000311 || ANOMALY_05000323) {
-}
+                AWA_DUMMY_READ(toggle);
-#else
+                local_irq_restore_hw(flags);
-void set_gpio_toggle(unsigned gpio)
+        }
-{
-        gpio_bankb[gpio_bank(gpio)]->toggle = gpio_bit(gpio);
 }
-#endif
 EXPORT_SYMBOL(set_gpio_toggle);
 /*Set current PORT date (16-bit word)*/
-#if ANOMALY_05000311 || ANOMALY_05000323
 #define SET_GPIO_P(name) \
 void set_gpiop_ ## name(unsigned gpio, unsigned short arg) \
 { \
        unsigned long flags; \
-        local_irq_save_hw(flags); \
+        if (ANOMALY_05000311 || ANOMALY_05000323) \
-        gpio_bankb[gpio_bank(gpio)]->name = arg; \
+                local_irq_save_hw(flags); \
-        AWA_DUMMY_READ(name); \
+        gpio_array[gpio_bank(gpio)]->name = arg; \
-        local_irq_restore_hw(flags); \
+        if (ANOMALY_05000311 || ANOMALY_05000323) { \
+                AWA_DUMMY_READ(name); \
+                local_irq_restore_hw(flags); \
+        } \
 } \
 EXPORT_SYMBOL(set_gpiop_ ## name);
-#else
-#define SET_GPIO_P(name) \
-void set_gpiop_ ## name(unsigned gpio, unsigned short arg) \
-{ \
-        gpio_bankb[gpio_bank(gpio)]->name = arg; \
-} \
-EXPORT_SYMBOL(set_gpiop_ ## name);
-#endif
 SET_GPIO_P(data)
 SET_GPIO_P(dir)
@@ -519,27 +424,21 @@ SET_GPIO_P(maska)
 SET_GPIO_P(maskb)
 /* Get a specific bit */
-#if ANOMALY_05000311 || ANOMALY_05000323
 #define GET_GPIO(name) \
 unsigned short get_gpio_ ## name(unsigned gpio) \
 { \
        unsigned long flags; \
        unsigned short ret; \
-        local_irq_save_hw(flags); \
+        if (ANOMALY_05000311 || ANOMALY_05000323) \
-        ret = 0x01 & (gpio_bankb[gpio_bank(gpio)]->name >> gpio_sub_n(gpio)); \
+                local_irq_save_hw(flags); \
-        AWA_DUMMY_READ(name); \
+        ret = 0x01 & (gpio_array[gpio_bank(gpio)]->name >> gpio_sub_n(gpio)); \
-        local_irq_restore_hw(flags); \
+        if (ANOMALY_05000311 || ANOMALY_05000323) { \
+                AWA_DUMMY_READ(name); \
+                local_irq_restore_hw(flags); \
+        } \
        return ret; \
 } \
 EXPORT_SYMBOL(get_gpio_ ## name);
-#else
-#define GET_GPIO(name) \
-unsigned short get_gpio_ ## name(unsigned gpio) \
-{ \
-        return (0x01 & (gpio_bankb[gpio_bank(gpio)]->name >> gpio_sub_n(gpio))); \
-} \
-EXPORT_SYMBOL(get_gpio_ ## name);
-#endif
 GET_GPIO(data)
 GET_GPIO(dir)
@@ -552,27 +451,21 @@ GET_GPIO(maskb)
 /*Get current PORT date (16-bit word)*/
-#if ANOMALY_05000311 || ANOMALY_05000323
 #define GET_GPIO_P(name) \
 unsigned short get_gpiop_ ## name(unsigned gpio) \
 { \
        unsigned long flags; \
        unsigned short ret; \
-        local_irq_save_hw(flags); \
+        if (ANOMALY_05000311 || ANOMALY_05000323) \
-        ret = (gpio_bankb[gpio_bank(gpio)]->name); \
+                local_irq_save_hw(flags); \
-        AWA_DUMMY_READ(name); \
+        ret = (gpio_array[gpio_bank(gpio)]->name); \
-        local_irq_restore_hw(flags); \
+        if (ANOMALY_05000311 || ANOMALY_05000323) { \
+                AWA_DUMMY_READ(name); \
+                local_irq_restore_hw(flags); \
+        } \
        return ret; \
 } \
 EXPORT_SYMBOL(get_gpiop_ ## name);
-#else
-#define GET_GPIO_P(name) \
-unsigned short get_gpiop_ ## name(unsigned gpio) \
-{ \
-        return (gpio_bankb[gpio_bank(gpio)]->name);\
-} \
-EXPORT_SYMBOL(get_gpiop_ ## name);
-#endif
 GET_GPIO_P(data)
 GET_GPIO_P(dir)
@@ -585,6 +478,26 @@ GET_GPIO_P(maskb)
 #ifdef CONFIG_PM
+static unsigned short wakeup_map[GPIO_BANK_NUM];
+static unsigned char wakeup_flags_map[MAX_BLACKFIN_GPIOS];
+static const unsigned int sic_iwr_irqs[] = {
+#if defined(BF533_FAMILY)
+        IRQ_PROG_INTB
+#elif defined(BF537_FAMILY)
+        IRQ_PROG_INTB, IRQ_PORTG_INTB, IRQ_MAC_TX
+#elif defined(BF538_FAMILY)
+        IRQ_PORTF_INTB
+#elif defined(BF527_FAMILY) || defined(BF518_FAMILY)
+        IRQ_PORTF_INTB, IRQ_PORTG_INTB, IRQ_PORTH_INTB
+#elif defined(BF561_FAMILY)
+        IRQ_PROG0_INTB, IRQ_PROG1_INTB, IRQ_PROG2_INTB
+#else
+# error no SIC_IWR defined
+#endif
+};
 /***********************************************************
 *
 * FUNCTIONS: Blackfin PM Setup API
@@ -669,18 +582,18 @@ u32 bfin_pm_standby_setup(void)
                mask = wakeup_map[gpio_bank(i)];
                bank = gpio_bank(i);
-                gpio_bank_saved[bank].maskb = gpio_bankb[bank]->maskb;
+                gpio_bank_saved[bank].maskb = gpio_array[bank]->maskb;
-                gpio_bankb[bank]->maskb = 0;
+                gpio_array[bank]->maskb = 0;
                if (mask) {
 #if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
                        gpio_bank_saved[bank].fer   = *port_fer[bank];
 #endif
-                        gpio_bank_saved[bank].inen  = gpio_bankb[bank]->inen;
+                        gpio_bank_saved[bank].inen  = gpio_array[bank]->inen;
-                        gpio_bank_saved[bank].polar = gpio_bankb[bank]->polar;
+                        gpio_bank_saved[bank].polar = gpio_array[bank]->polar;
-                        gpio_bank_saved[bank].dir   = gpio_bankb[bank]->dir;
+                        gpio_bank_saved[bank].dir   = gpio_array[bank]->dir;
-                        gpio_bank_saved[bank].edge  = gpio_bankb[bank]->edge;
+                        gpio_bank_saved[bank].edge  = gpio_array[bank]->edge;
-                        gpio_bank_saved[bank].both  = gpio_bankb[bank]->both;
+                        gpio_bank_saved[bank].both  = gpio_array[bank]->both;
                        gpio_bank_saved[bank].reserved =
                                                reserved_gpio_map[bank];
@@ -700,7 +613,7 @@ u32 bfin_pm_standby_setup(void)
                        }
                        bfin_internal_set_wake(sic_iwr_irqs[bank], 1);
-                        gpio_bankb[bank]->maskb_set = wakeup_map[gpio_bank(i)];
+                        gpio_array[bank]->maskb_set = wakeup_map[gpio_bank(i)];
                }
        }
@@ -721,18 +634,18 @@ void bfin_pm_standby_restore(void)
 #if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
                        *port_fer[bank]         = gpio_bank_saved[bank].fer;
 #endif
-                        gpio_bankb[bank]->inen  = gpio_bank_saved[bank].inen;
+                        gpio_array[bank]->inen  = gpio_bank_saved[bank].inen;
-                        gpio_bankb[bank]->dir   = gpio_bank_saved[bank].dir;
+                        gpio_array[bank]->dir   = gpio_bank_saved[bank].dir;
-                        gpio_bankb[bank]->polar = gpio_bank_saved[bank].polar;
+                        gpio_array[bank]->polar = gpio_bank_saved[bank].polar;
-                        gpio_bankb[bank]->edge  = gpio_bank_saved[bank].edge;
+                        gpio_array[bank]->edge  = gpio_bank_saved[bank].edge;
-                        gpio_bankb[bank]->both  = gpio_bank_saved[bank].both;
+                        gpio_array[bank]->both  = gpio_bank_saved[bank].both;
                        reserved_gpio_map[bank] =
                                        gpio_bank_saved[bank].reserved;
                        bfin_internal_set_wake(sic_iwr_irqs[bank], 0);
                }
-                gpio_bankb[bank]->maskb = gpio_bank_saved[bank].maskb;
+                gpio_array[bank]->maskb = gpio_bank_saved[bank].maskb;
        }
        AWA_DUMMY_READ(maskb);
 }
@@ -745,21 +658,21 @@ void bfin_gpio_pm_hibernate_suspend(void)
                bank = gpio_bank(i);
 #if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
-                        gpio_bank_saved[bank].fer   = *port_fer[bank];
+                gpio_bank_saved[bank].fer = *port_fer[bank];
 #if defined(BF527_FAMILY) || defined(BF518_FAMILY)
-                        gpio_bank_saved[bank].mux   = *port_mux[bank];
+                gpio_bank_saved[bank].mux = *port_mux[bank];
 #else
-                        if (bank == 0)
+                if (bank == 0)
-                                gpio_bank_saved[bank].mux   = bfin_read_PORT_MUX();
+                        gpio_bank_saved[bank].mux = bfin_read_PORT_MUX();
 #endif
 #endif
-                        gpio_bank_saved[bank].data  = gpio_bankb[bank]->data;
+                gpio_bank_saved[bank].data  = gpio_array[bank]->data;
-                        gpio_bank_saved[bank].inen  = gpio_bankb[bank]->inen;
+                gpio_bank_saved[bank].inen  = gpio_array[bank]->inen;
-                        gpio_bank_saved[bank].polar = gpio_bankb[bank]->polar;
+                gpio_bank_saved[bank].polar = gpio_array[bank]->polar;
-                        gpio_bank_saved[bank].dir   = gpio_bankb[bank]->dir;
+                gpio_bank_saved[bank].dir   = gpio_array[bank]->dir;
-                        gpio_bank_saved[bank].edge  = gpio_bankb[bank]->edge;
+                gpio_bank_saved[bank].edge  = gpio_array[bank]->edge;
-                        gpio_bank_saved[bank].both  = gpio_bankb[bank]->both;
+                gpio_bank_saved[bank].both  = gpio_array[bank]->both;
-                        gpio_bank_saved[bank].maska  = gpio_bankb[bank]->maska;
+                gpio_bank_saved[bank].maska = gpio_array[bank]->maska;
        }
        AWA_DUMMY_READ(maska);
@@ -770,27 +683,27 @@ void bfin_gpio_pm_hibernate_restore(void)
        int i, bank;
        for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
-                        bank = gpio_bank(i);
+                bank = gpio_bank(i);
 #if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
 #if defined(BF527_FAMILY) || defined(BF518_FAMILY)
-                        *port_mux[bank] = gpio_bank_saved[bank].mux;
+                *port_mux[bank] = gpio_bank_saved[bank].mux;
 #else
-                        if (bank == 0)
+                if (bank == 0)
-                                bfin_write_PORT_MUX(gpio_bank_saved[bank].mux);
+                        bfin_write_PORT_MUX(gpio_bank_saved[bank].mux);
 #endif
-                        *port_fer[bank]         = gpio_bank_saved[bank].fer;
+                *port_fer[bank] = gpio_bank_saved[bank].fer;
 #endif
-                        gpio_bankb[bank]->inen  = gpio_bank_saved[bank].inen;
+                gpio_array[bank]->inen  = gpio_bank_saved[bank].inen;
-                        gpio_bankb[bank]->dir   = gpio_bank_saved[bank].dir;
+                gpio_array[bank]->dir   = gpio_bank_saved[bank].dir;
-                        gpio_bankb[bank]->polar = gpio_bank_saved[bank].polar;
+                gpio_array[bank]->polar = gpio_bank_saved[bank].polar;
-                        gpio_bankb[bank]->edge  = gpio_bank_saved[bank].edge;
+                gpio_array[bank]->edge  = gpio_bank_saved[bank].edge;
-                        gpio_bankb[bank]->both  = gpio_bank_saved[bank].both;
+                gpio_array[bank]->both  = gpio_bank_saved[bank].both;
-                        gpio_bankb[bank]->data_set = gpio_bank_saved[bank].data
+                gpio_array[bank]->data_set = gpio_bank_saved[bank].data
-                                                        | gpio_bank_saved[bank].dir;
+                                                | gpio_bank_saved[bank].dir;
-                        gpio_bankb[bank]->maska = gpio_bank_saved[bank].maska;
+                gpio_array[bank]->maska = gpio_bank_saved[bank].maska;
        }
        AWA_DUMMY_READ(maska);
 }
@@ -817,12 +730,12 @@ void bfin_gpio_pm_hibernate_suspend(void)
        for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
                bank = gpio_bank(i);
-                        gpio_bank_saved[bank].fer  = gpio_array[bank]->port_fer;
+                gpio_bank_saved[bank].fer = gpio_array[bank]->port_fer;
-                        gpio_bank_saved[bank].mux  = gpio_array[bank]->port_mux;
+                gpio_bank_saved[bank].mux = gpio_array[bank]->port_mux;
-                        gpio_bank_saved[bank].data  = gpio_array[bank]->port_data;
+                gpio_bank_saved[bank].data = gpio_array[bank]->data;
-                        gpio_bank_saved[bank].data  = gpio_array[bank]->port_data;
+                gpio_bank_saved[bank].data = gpio_array[bank]->data;
-                        gpio_bank_saved[bank].inen  = gpio_array[bank]->port_inen;
+                gpio_bank_saved[bank].inen = gpio_array[bank]->inen;
-                        gpio_bank_saved[bank].dir   = gpio_array[bank]->port_dir_set;
+                gpio_bank_saved[bank].dir = gpio_array[bank]->dir_set;
        }
 }
@@ -831,21 +744,21 @@ void bfin_gpio_pm_hibernate_restore(void)
        int i, bank;
        for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
-                        bank = gpio_bank(i);
+                bank = gpio_bank(i);
-                        gpio_array[bank]->port_mux  = gpio_bank_saved[bank].mux;
+                gpio_array[bank]->port_mux = gpio_bank_saved[bank].mux;
-                        gpio_array[bank]->port_fer  = gpio_bank_saved[bank].fer;
+                gpio_array[bank]->port_fer = gpio_bank_saved[bank].fer;
-                        gpio_array[bank]->port_inen  = gpio_bank_saved[bank].inen;
+                gpio_array[bank]->inen = gpio_bank_saved[bank].inen;
-                        gpio_array[bank]->port_dir_set   = gpio_bank_saved[bank].dir;
+                gpio_array[bank]->dir_set = gpio_bank_saved[bank].dir;
-                        gpio_array[bank]->port_set = gpio_bank_saved[bank].data
+                gpio_array[bank]->data_set = gpio_bank_saved[bank].data
-                                                        | gpio_bank_saved[bank].dir;
+                                                | gpio_bank_saved[bank].dir;
        }
 }
 #endif
 unsigned short get_gpio_dir(unsigned gpio)
 {
-        return (0x01 & (gpio_array[gpio_bank(gpio)]->port_dir_clear >> gpio_sub_n(gpio)));
+        return (0x01 & (gpio_array[gpio_bank(gpio)]->dir_clear >> gpio_sub_n(gpio)));
 }
 EXPORT_SYMBOL(get_gpio_dir);
@@ -905,9 +818,7 @@ int peripheral_request(unsigned short per, const char *label)
                 */
 #ifdef BF548_FAMILY
-                u16 funct = get_portmux(ident);
+                if (!((per & P_MAYSHARE) && get_portmux(per) == P_FUNCT2MUX(per))) {
-                if (!((per & P_MAYSHARE) && (funct == P_FUNCT2MUX(per)))) {
 #else
                if (!(per & P_MAYSHARE)) {
 #endif
@@ -931,11 +842,7 @@ int peripheral_request(unsigned short per, const char *label)
 anyway:
        reserved_peri_map[gpio_bank(ident)] |= gpio_bit(ident);
-#ifdef BF548_FAMILY
+        portmux_setup(per);
-        portmux_setup(ident, P_FUNCT2MUX(per));
-#else
-        portmux_setup(per, P_FUNCT2MUX(per));
-#endif
        port_setup(ident, PERIPHERAL_USAGE);
        local_irq_restore_hw(flags);
@@ -977,9 +884,6 @@ void peripheral_free(unsigned short per)
        if (!(per & P_DEFINED))
                return;
-        if (check_gpio(ident) < 0)
-                return;
        local_irq_save_hw(flags);
        if (unlikely(!(reserved_peri_map[gpio_bank(ident)] & gpio_bit(ident)))) {
@@ -1056,9 +960,15 @@ int bfin_gpio_request(unsigned gpio, const char *label)
                local_irq_restore_hw(flags);
                return -EBUSY;
        }
-        if (unlikely(reserved_gpio_irq_map[gpio_bank(gpio)] & gpio_bit(gpio)))
+        if (unlikely(reserved_gpio_irq_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
                printk(KERN_NOTICE "bfin-gpio: GPIO %d is already reserved as gpio-irq!"
                       " (Documentation/blackfin/bfin-gpio-notes.txt)\n", gpio);
+        }
+#ifndef BF548_FAMILY
+        else {  /* Reset POLAR setting when acquiring a gpio for the first time */
+                set_gpio_polar(gpio, 0);
+        }
+#endif
        reserved_gpio_map[gpio_bank(gpio)] |= gpio_bit(gpio);
        set_label(gpio, label);
@@ -1078,6 +988,8 @@ void bfin_gpio_free(unsigned gpio)
        if (check_gpio(gpio) < 0)
                return;
+        might_sleep();
        local_irq_save_hw(flags);
        if (unlikely(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)))) {
@@ -1158,8 +1070,16 @@ void bfin_gpio_irq_free(unsigned gpio)
        local_irq_restore_hw(flags);
 }
+static inline void __bfin_gpio_direction_input(unsigned gpio)
+{
 #ifdef BF548_FAMILY
+        gpio_array[gpio_bank(gpio)]->dir_clear = gpio_bit(gpio);
+#else
+        gpio_array[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio);
+#endif
+        gpio_array[gpio_bank(gpio)]->inen |= gpio_bit(gpio);
+}
 int bfin_gpio_direction_input(unsigned gpio)
 {
        unsigned long flags;
@@ -1170,125 +1090,85 @@ int bfin_gpio_direction_input(unsigned gpio)
        }
        local_irq_save_hw(flags);
-        gpio_array[gpio_bank(gpio)]->port_dir_clear = gpio_bit(gpio);
+        __bfin_gpio_direction_input(gpio);
-        gpio_array[gpio_bank(gpio)]->port_inen |= gpio_bit(gpio);
+        AWA_DUMMY_READ(inen);
        local_irq_restore_hw(flags);
        return 0;
 }
 EXPORT_SYMBOL(bfin_gpio_direction_input);
-int bfin_gpio_direction_output(unsigned gpio, int value)
+void bfin_gpio_irq_prepare(unsigned gpio)
 {
+#ifdef BF548_FAMILY
        unsigned long flags;
+#endif
-        if (!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
+        port_setup(gpio, GPIO_USAGE);
-                gpio_error(gpio);
-                return -EINVAL;
-        }
+#ifdef BF548_FAMILY
        local_irq_save_hw(flags);
-        gpio_array[gpio_bank(gpio)]->port_inen &= ~gpio_bit(gpio);
+        __bfin_gpio_direction_input(gpio);
-        gpio_set_value(gpio, value);
-        gpio_array[gpio_bank(gpio)]->port_dir_set = gpio_bit(gpio);
        local_irq_restore_hw(flags);
+#endif
-        return 0;
 }
-EXPORT_SYMBOL(bfin_gpio_direction_output);
 void bfin_gpio_set_value(unsigned gpio, int arg)
 {
        if (arg)
-                gpio_array[gpio_bank(gpio)]->port_set = gpio_bit(gpio);
+                gpio_array[gpio_bank(gpio)]->data_set = gpio_bit(gpio);
        else
-                gpio_array[gpio_bank(gpio)]->port_clear = gpio_bit(gpio);
+                gpio_array[gpio_bank(gpio)]->data_clear = gpio_bit(gpio);
 }
 EXPORT_SYMBOL(bfin_gpio_set_value);
-int bfin_gpio_get_value(unsigned gpio)
+int bfin_gpio_direction_output(unsigned gpio, int value)
-{
-        return (1 & (gpio_array[gpio_bank(gpio)]->port_data >> gpio_sub_n(gpio)));
-}
-EXPORT_SYMBOL(bfin_gpio_get_value);
-void bfin_gpio_irq_prepare(unsigned gpio)
 {
        unsigned long flags;
-        port_setup(gpio, GPIO_USAGE);
+        if (!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
+                gpio_error(gpio);
+                return -EINVAL;
+        }
        local_irq_save_hw(flags);
-        gpio_array[gpio_bank(gpio)]->port_dir_clear = gpio_bit(gpio);
-        gpio_array[gpio_bank(gpio)]->port_inen |= gpio_bit(gpio);
-        local_irq_restore_hw(flags);
-}
+        gpio_array[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
+        gpio_set_value(gpio, value);
+#ifdef BF548_FAMILY
+        gpio_array[gpio_bank(gpio)]->dir_set = gpio_bit(gpio);
 #else
+        gpio_array[gpio_bank(gpio)]->dir |= gpio_bit(gpio);
+#endif
+        AWA_DUMMY_READ(dir);
+        local_irq_restore_hw(flags);
+        return 0;
+}
+EXPORT_SYMBOL(bfin_gpio_direction_output);
 int bfin_gpio_get_value(unsigned gpio)
 {
+#ifdef BF548_FAMILY
+        return (1 & (gpio_array[gpio_bank(gpio)]->data >> gpio_sub_n(gpio)));
+#else
        unsigned long flags;
-        int ret;
        if (unlikely(get_gpio_edge(gpio))) {
+                int ret;
                local_irq_save_hw(flags);
                set_gpio_edge(gpio, 0);
                ret = get_gpio_data(gpio);
                set_gpio_edge(gpio, 1);
                local_irq_restore_hw(flags);
                return ret;
        } else
                return get_gpio_data(gpio);
+#endif
 }
 EXPORT_SYMBOL(bfin_gpio_get_value);
-int bfin_gpio_direction_input(unsigned gpio)
-{
-        unsigned long flags;
-        if (!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
-                gpio_error(gpio);
-                return -EINVAL;
-        }
-        local_irq_save_hw(flags);
-        gpio_bankb[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio);
-        gpio_bankb[gpio_bank(gpio)]->inen |= gpio_bit(gpio);
-        AWA_DUMMY_READ(inen);
-        local_irq_restore_hw(flags);
-        return 0;
-}
-EXPORT_SYMBOL(bfin_gpio_direction_input);
-int bfin_gpio_direction_output(unsigned gpio, int value)
-{
-        unsigned long flags;
-        if (!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
-                gpio_error(gpio);
-                return -EINVAL;
-        }
-        local_irq_save_hw(flags);
-        gpio_bankb[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
-        if (value)
-                gpio_bankb[gpio_bank(gpio)]->data_set = gpio_bit(gpio);
-        else
-                gpio_bankb[gpio_bank(gpio)]->data_clear = gpio_bit(gpio);
-        gpio_bankb[gpio_bank(gpio)]->dir |= gpio_bit(gpio);
-        AWA_DUMMY_READ(dir);
-        local_irq_restore_hw(flags);
-        return 0;
-}
-EXPORT_SYMBOL(bfin_gpio_direction_output);
 /* If we are booting from SPI and our board lacks a strong enough pull up,
 * the core can reset and execute the bootrom faster than the resistor can
 * pull the signal logically high.  To work around this (common) error in
@@ -1299,23 +1179,15 @@ EXPORT_SYMBOL(bfin_gpio_direction_output);
 * lives here as we need to force all the GPIO states w/out going through
 * BUG() checks and such.
 */
-void bfin_gpio_reset_spi0_ssel1(void)
+void bfin_reset_boot_spi_cs(unsigned short pin)
 {
-        u16 gpio = P_IDENT(P_SPI0_SSEL1);
+        unsigned short gpio = P_IDENT(pin);
        port_setup(gpio, GPIO_USAGE);
-        gpio_bankb[gpio_bank(gpio)]->data_set = gpio_bit(gpio);
+        gpio_array[gpio_bank(gpio)]->data_set = gpio_bit(gpio);
        AWA_DUMMY_READ(data_set);
        udelay(1);
 }
-void bfin_gpio_irq_prepare(unsigned gpio)
-{
-        port_setup(gpio, GPIO_USAGE);
-}
-#endif /*BF548_FAMILY */
 #if defined(CONFIG_PROC_FS)
 static int gpio_proc_read(char *buf, char **start, off_t offset,
                          int len, int *unused_i, void *unused_v)
@@ -1369,11 +1241,7 @@ int bfin_gpiolib_get_value(struct gpio_chip *chip, unsigned gpio)
 void bfin_gpiolib_set_value(struct gpio_chip *chip, unsigned gpio, int value)
 {
-#ifdef BF548_FAMILY
        return bfin_gpio_set_value(gpio, value);
-#else
-        return set_gpio_data(gpio, value);
-#endif
 }
 int bfin_gpiolib_gpio_request(struct gpio_chip *chip, unsigned gpio)
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinit.c b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
index bdb958486e76..3e329a6ce041 100644
--- a/arch/blackfin/kernel/cplb-mpu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
@@ -63,10 +63,8 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
        dcplb_tbl[cpu][i_d].addr = 0;
        dcplb_tbl[cpu][i_d++].data = SDRAM_OOPS | PAGE_SIZE_1KB;
-#if 0
        icplb_tbl[cpu][i_i].addr = 0;
-        icplb_tbl[cpu][i_i++].data = i_cache | CPLB_USER_RD | PAGE_SIZE_4KB;
+        icplb_tbl[cpu][i_i++].data = i_cache | CPLB_USER_RD | PAGE_SIZE_1KB;
-#endif
        /* Cover kernel memory with 4M pages.  */
        addr = 0;
diff --git a/arch/blackfin/kernel/cplb-nompu/cplbmgr.c b/arch/blackfin/kernel/cplb-nompu/cplbmgr.c
index 376249ab2694..8cbb47c7b663 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbmgr.c
+++ b/arch/blackfin/kernel/cplb-nompu/cplbmgr.c
@@ -163,12 +163,14 @@ MGR_ATTR static int icplb_miss(int cpu)
                nr_icplb_supv_miss[cpu]++;
        base = 0;
-        for (idx = 0; idx < icplb_nr_bounds; idx++) {
+        idx = 0;
+        do {
                eaddr = icplb_bounds[idx].eaddr;
                if (addr < eaddr)
                        break;
                base = eaddr;
-        }
+        } while (++idx < icplb_nr_bounds);
        if (unlikely(idx == icplb_nr_bounds))
                return CPLB_NO_ADDR_MATCH;
@@ -208,12 +210,14 @@ MGR_ATTR static int dcplb_miss(int cpu)
                nr_dcplb_supv_miss[cpu]++;
        base = 0;
-        for (idx = 0; idx < dcplb_nr_bounds; idx++) {
+        idx = 0;
+        do {
                eaddr = dcplb_bounds[idx].eaddr;
                if (addr < eaddr)
                        break;
                base = eaddr;
-        }
+        } while (++idx < dcplb_nr_bounds);
        if (unlikely(idx == dcplb_nr_bounds))
                return CPLB_NO_ADDR_MATCH;
diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c
index ab8209cbbad0..75724eee6494 100644
--- a/arch/blackfin/kernel/irqchip.c
+++ b/arch/blackfin/kernel/irqchip.c
@@ -35,6 +35,7 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <asm/trace.h>
+#include <asm/pda.h>
 static atomic_t irq_err_count;
 static spinlock_t irq_controller_lock;
@@ -91,8 +92,13 @@ int show_interrupts(struct seq_file *p, void *v)
                seq_putc(p, '\n');
 skip:
                spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-        } else if (i == NR_IRQS)
+        } else if (i == NR_IRQS) {
+                seq_printf(p, "NMI: ");
+                for_each_online_cpu(j)
+                        seq_printf(p, "%10u ", cpu_pda[j].__nmi_count);
+                seq_printf(p, "     CORE  Non Maskable Interrupt\n");
                seq_printf(p, "Err: %10u\n",  atomic_read(&irq_err_count));
+        }
        return 0;
 }
diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c
index eeee8cb43360..53d08dee8531 100644
--- a/arch/blackfin/kernel/reboot.c
+++ b/arch/blackfin/kernel/reboot.c
@@ -20,8 +20,8 @@
 * reset while the Core B bit (on dual core parts) is cleared by
 * the core reset.
 */
-__attribute__((l1_text))
+__attribute__ ((__l1_text__, __noreturn__))
-static void _bfin_reset(void)
+static void bfin_reset(void)
 {
        /* Wait for completion of "system" events such as cache line
         * line fills so that we avoid infinite stalls later on as
@@ -30,7 +30,11 @@ static void _bfin_reset(void)
         */
        __builtin_bfin_ssync();
-        while (1) {
+        /* The bootrom checks to see how it was reset and will
+         * automatically perform a software reset for us when
+         * it starts executing after the core reset.
+         */
+        if (ANOMALY_05000353 || ANOMALY_05000386) {
                /* Initiate System software reset. */
                bfin_write_SWRST(0x7);
@@ -50,6 +54,11 @@ static void _bfin_reset(void)
                /* Clear System software reset */
                bfin_write_SWRST(0);
+                /* The BF526 ROM will crash during reset */
+#if defined(__ADSPBF522__) || defined(__ADSPBF524__) || defined(__ADSPBF526__)
+                bfin_read_SWRST();
+#endif
                /* Wait for the SWRST write to complete.  Cannot rely on SSYNC
                 * though as the System state is all reset now.
                 */
@@ -60,22 +69,11 @@ static void _bfin_reset(void)
                        : "a" (15 * 1)
                        : "LC1", "LB1", "LT1"
                );
+        }
+        while (1)
                /* Issue core reset */
                asm("raise 1");
-        }
-}
-static void bfin_reset(void)
-{
-        if (ANOMALY_05000353 || ANOMALY_05000386)
-                _bfin_reset();
-        else
-                /* the bootrom checks to see how it was reset and will
-                 * automatically perform a software reset for us when
-                 * it starts executing boot
-                 */
-                asm("raise 1;");
 }
 __attribute__((weak))
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index b2a811347b65..e5c116230800 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -60,7 +60,7 @@ void __initdata *init_retx, *init_saved_retx, *init_saved_seqstat,
 #define BFIN_MEMMAP_MAX         128 /* number of entries in bfin_memmap */
 #define BFIN_MEMMAP_RAM         1
 #define BFIN_MEMMAP_RESERVED    2
-struct bfin_memmap {
+static struct bfin_memmap {
        int nr_map;
        struct bfin_memmap_entry {
                unsigned long long addr; /* start of memory segment */
@@ -824,7 +824,15 @@ void __init setup_arch(char **cmdline_p)
        flash_probe();
 #endif
+        printk(KERN_INFO "Boot Mode: %i\n", bfin_read_SYSCR() & 0xF);
+        /* Newer parts mirror SWRST bits in SYSCR */
+#if defined(CONFIG_BF53x) || defined(CONFIG_BF561) || \
+    defined(CONFIG_BF538) || defined(CONFIG_BF539)
        _bfin_swrst = bfin_read_SWRST();
+#else
+        _bfin_swrst = bfin_read_SYSCR();
+#endif
 #ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT
        bfin_write_SWRST(_bfin_swrst & ~DOUBLE_FAULT);
@@ -853,7 +861,7 @@ void __init setup_arch(char **cmdline_p)
        else if (_bfin_swrst & RESET_SOFTWARE)
                printk(KERN_NOTICE "Reset caused by Software reset\n");
-        printk(KERN_INFO "Blackfin support (C) 2004-2008 Analog Devices, Inc.\n");
+        printk(KERN_INFO "Blackfin support (C) 2004-2009 Analog Devices, Inc.\n");
        if (bfin_compiled_revid() == 0xffff)
                printk(KERN_INFO "Compiled for ADSP-%s Rev any\n", CPU);
        else if (bfin_compiled_revid() == -1)
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 5b0667da8d05..ffe7fb53eccb 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -673,6 +673,14 @@ static void decode_instruction(unsigned short *address)
                        verbose_printk("RTI");
                else if (opcode == 0x0012)
                        verbose_printk("RTX");
+                else if (opcode == 0x0013)
+                        verbose_printk("RTN");
+                else if (opcode == 0x0014)
+                        verbose_printk("RTE");
+                else if (opcode == 0x0025)
+                        verbose_printk("EMUEXCPT");
+                else if (opcode == 0x0040 && opcode <= 0x0047)
+                        verbose_printk("STI R%i", opcode & 7);
                else if (opcode >= 0x0050 && opcode <= 0x0057)
                        verbose_printk("JUMP (P%i)", opcode & 7);
                else if (opcode >= 0x0060 && opcode <= 0x0067)
@@ -681,6 +689,10 @@ static void decode_instruction(unsigned short *address)
                        verbose_printk("CALL (PC+P%i)", opcode & 7);
                else if (opcode >= 0x0080 && opcode <= 0x0087)
                        verbose_printk("JUMP (PC+P%i)", opcode & 7);
+                else if (opcode >= 0x0090 && opcode <= 0x009F)
+                        verbose_printk("RAISE 0x%x", opcode & 0xF);
+                else if (opcode >= 0x00A0 && opcode <= 0x00AF)
+                        verbose_printk("EXCPT 0x%x", opcode & 0xF);
                else if ((opcode >= 0x1000 && opcode <= 0x13FF) || (opcode >= 0x1800 && opcode <= 0x1BFF))
                        verbose_printk("IF !CC JUMP");
                else if ((opcode >= 0x1400 && opcode <= 0x17ff) || (opcode >= 0x1c00 && opcode <= 0x1fff))
@@ -820,11 +832,8 @@ void show_stack(struct task_struct *task, unsigned long *stack)
        decode_address(buf, (unsigned int)stack);
        printk(KERN_NOTICE " SP: [0x%p] %s\n", stack, buf);
-        addr = (unsigned int *)((unsigned int)stack & ~0x3F);
        /* First thing is to look for a frame pointer */
-        for (addr = (unsigned int *)((unsigned int)stack & ~0xF), i = 0;
+        for (addr = (unsigned int *)((unsigned int)stack & ~0xF); addr < endstack; addr++) {
-                addr < endstack; addr++, i++) {
                if (*addr & 0x1)
                        continue;
                ins_addr = (unsigned short *)*addr;
@@ -834,7 +843,8 @@ void show_stack(struct task_struct *task, unsigned long *stack)
                if (fp) {
                        /* Let's check to see if it is a frame pointer */
-                        while (fp >= (addr - 1) && fp < endstack && fp)
+                        while (fp >= (addr - 1) && fp < endstack
+                               && fp && ((unsigned int) fp & 0x3) == 0)
                                fp = (unsigned int *)*fp;
                        if (fp == 0 || fp == endstack) {
                                fp = addr - 1;
@@ -1052,8 +1062,9 @@ void show_regs(struct pt_regs *fp)
        char buf [150];
        struct irqaction *action;
        unsigned int i;
-        unsigned long flags;
+        unsigned long flags = 0;
        unsigned int cpu = smp_processor_id();
+        unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic();
        verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted());
        verbose_printk(KERN_NOTICE " SEQSTAT: %08lx  IPEND: %04lx  SYSCFG: %04lx\n",
@@ -1073,17 +1084,22 @@ void show_regs(struct pt_regs *fp)
        }
        verbose_printk(KERN_NOTICE "  EXCAUSE   : 0x%lx\n",
                fp->seqstat & SEQSTAT_EXCAUSE);
-        for (i = 6; i <= 15 ; i++) {
+        for (i = 2; i <= 15 ; i++) {
                if (fp->ipend & (1 << i)) {
-                        decode_address(buf, bfin_read32(EVT0 + 4*i));
+                        if (i != 4) {
-                        verbose_printk(KERN_NOTICE "  physical IVG%i asserted : %s\n", i, buf);
+                                decode_address(buf, bfin_read32(EVT0 + 4*i));
+                                verbose_printk(KERN_NOTICE "  physical IVG%i asserted : %s\n", i, buf);
+                        } else
+                                verbose_printk(KERN_NOTICE "  interrupts disabled\n");
                }
        }
        /* if no interrupts are going off, don't print this out */
        if (fp->ipend & ~0x3F) {
                for (i = 0; i < (NR_IRQS - 1); i++) {
-                        spin_lock_irqsave(&irq_desc[i].lock, flags);
+                        if (!in_atomic)
+                                spin_lock_irqsave(&irq_desc[i].lock, flags);
                        action = irq_desc[i].action;
                        if (!action)
                                goto unlock;
@@ -1096,7 +1112,8 @@ void show_regs(struct pt_regs *fp)
                        }
                        verbose_printk("\n");
 unlock:
-                        spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+                        if (!in_atomic)
+                                spin_unlock_irqrestore(&irq_desc[i].lock, flags);
                }
        }
diff --git a/arch/blackfin/mach-bf518/boards/ezbrd.c b/arch/blackfin/mach-bf518/boards/ezbrd.c
index 15f1351c8645..0e175342112e 100644
--- a/arch/blackfin/mach-bf518/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf518/boards/ezbrd.c
@@ -46,6 +46,7 @@
 #include <asm/dpmc.h>
 #include <asm/bfin_sdh.h>
 #include <linux/spi/ad7877.h>
+#include <net/dsa.h>
 /*
 * Name the Board for the /proc/cpuinfo
@@ -104,8 +105,31 @@ static struct platform_device rtc_device = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static struct platform_device bfin_mii_bus = {
+        .name = "bfin_mii_bus",
+};
 static struct platform_device bfin_mac_device = {
        .name = "bfin_mac",
+        .dev.platform_data = &bfin_mii_bus,
+};
+#endif
+#if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
+static struct dsa_platform_data ksz8893m_switch_data = {
+        .mii_bus = &bfin_mii_bus.dev,
+        .netdev = &bfin_mac_device.dev,
+        .port_names[0]  = NULL,
+        .port_names[1]  = "eth%d",
+        .port_names[2]  = "eth%d",
+        .port_names[3]  = "cpu",
+};
+static struct platform_device ksz8893m_switch_device = {
+        .name           = "dsa",
+        .id             = 0,
+        .num_resources  = 0,
+        .dev.platform_data = &ksz8893m_switch_data,
 };
 #endif
@@ -147,6 +171,15 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
+#if defined(CONFIG_NET_DSA_KSZ8893M) \
+        || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
+/* SPI SWITCH CHIP */
+static struct bfin5xx_spi_chip spi_switch_info = {
+        .enable_dma = 0,
+        .bits_per_word = 8,
+};
+#endif
 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 static struct bfin5xx_spi_chip spi_mmc_chip_info = {
        .enable_dma = 1,
@@ -226,6 +259,19 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
        },
 #endif
+#if defined(CONFIG_NET_DSA_KSZ8893M) \
+        || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
+        {
+                .modalias = "ksz8893m",
+                .max_speed_hz = 5000000,
+                .bus_num = 0,
+                .chip_select = 1,
+                .platform_data = NULL,
+                .controller_data = &spi_switch_info,
+                .mode = SPI_MODE_3,
+        },
+#endif
 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
        {
                .modalias = "spi_mmc_dummy",
@@ -473,7 +519,6 @@ static struct platform_device i2c_bfin_twi_device = {
 };
 #endif
-#ifdef CONFIG_I2C_BOARDINFO
 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 #if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
        {
@@ -487,7 +532,6 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
        },
 #endif
 };
-#endif
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 static struct platform_device bfin_sport0_uart_device = {
@@ -584,9 +628,14 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+        &bfin_mii_bus,
        &bfin_mac_device,
 #endif
+#if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
+        &ksz8893m_switch_device,
+#endif
 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
        &bfin_spi0_device,
        &bfin_spi1_device,
@@ -632,12 +681,8 @@ static struct platform_device *stamp_devices[] __initdata = {
 static int __init ezbrd_init(void)
 {
        printk(KERN_INFO "%s(): registering device resources\n", __func__);
-#ifdef CONFIG_I2C_BOARDINFO
        i2c_register_board_info(0, bfin_i2c_board_info,
                                ARRAY_SIZE(bfin_i2c_board_info));
-#endif
        platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
        spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
        return 0;
@@ -649,7 +694,7 @@ void native_machine_restart(char *cmd)
 {
        /* workaround reboot hang when booting from SPI */
        if ((bfin_read_SYSCR() & 0x7) == 0x3)
-                bfin_gpio_reset_spi0_ssel1();
+                bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 }
 void bfin_get_ether_addr(char *addr)
diff --git a/arch/blackfin/mach-bf518/include/mach/portmux.h b/arch/blackfin/mach-bf518/include/mach/portmux.h
index ac16d54734d4..f618b487b2b0 100644
--- a/arch/blackfin/mach-bf518/include/mach/portmux.h
+++ b/arch/blackfin/mach-bf518/include/mach/portmux.h
@@ -103,6 +103,8 @@
 #define P_SPI1_SSEL4    (P_DEFINED | P_IDENT(GPIO_PF8) | P_FUNCT(2))
 #define P_SPI1_SSEL5    (P_DEFINED | P_IDENT(GPIO_PG11) | P_FUNCT(2))
+#define P_DEFAULT_BOOT_SPI_CS P_SPI0_SSEL2
 /* SPORT Port Mux */
 #define P_SPORT0_DRPRI  (P_DEFINED | P_IDENT(GPIO_PG3) | P_FUNCT(0))
 #define P_SPORT0_RSCLK  (P_DEFINED | P_IDENT(GPIO_PG4) | P_FUNCT(0))
diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c
index a2c3578f4b6c..856c097b5317 100644
--- a/arch/blackfin/mach-bf527/boards/cm_bf527.c
+++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c
@@ -403,8 +403,13 @@ static struct platform_device isp1362_hcd_device = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static struct platform_device bfin_mii_bus = {
+        .name = "bfin_mii_bus",
+};
 static struct platform_device bfin_mac_device = {
        .name = "bfin_mac",
+        .dev.platform_data = &bfin_mii_bus,
 };
 #endif
@@ -793,7 +798,6 @@ static struct platform_device i2c_bfin_twi_device = {
 };
 #endif
-#ifdef CONFIG_I2C_BOARDINFO
 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 #if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
        {
@@ -809,7 +813,6 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
        },
 #endif
 };
-#endif
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 static struct platform_device bfin_sport0_uart_device = {
@@ -920,6 +923,7 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+        &bfin_mii_bus,
        &bfin_mac_device,
 #endif
@@ -968,27 +972,23 @@ static struct platform_device *stamp_devices[] __initdata = {
        &bfin_gpios_device,
 };
-static int __init stamp_init(void)
+static int __init cm_init(void)
 {
        printk(KERN_INFO "%s(): registering device resources\n", __func__);
-#ifdef CONFIG_I2C_BOARDINFO
        i2c_register_board_info(0, bfin_i2c_board_info,
                                ARRAY_SIZE(bfin_i2c_board_info));
-#endif
        platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
        spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
        return 0;
 }
-arch_initcall(stamp_init);
+arch_initcall(cm_init);
 void native_machine_restart(char *cmd)
 {
        /* workaround reboot hang when booting from SPI */
        if ((bfin_read_SYSCR() & 0x7) == 0x3)
-                bfin_gpio_reset_spi0_ssel1();
+                bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 }
 void bfin_get_ether_addr(char *addr)
diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c
index 0314bd3355eb..83606fcdde27 100644
--- a/arch/blackfin/mach-bf527/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf527/boards/ezbrd.c
@@ -208,8 +208,13 @@ static struct platform_device rtc_device = {
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static struct platform_device bfin_mii_bus = {
+        .name = "bfin_mii_bus",
+};
 static struct platform_device bfin_mac_device = {
        .name = "bfin_mac",
+        .dev.platform_data = &bfin_mii_bus,
 };
 #endif
@@ -590,7 +595,6 @@ static struct platform_device i2c_bfin_twi_device = {
 };
 #endif
-#ifdef CONFIG_I2C_BOARDINFO
 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 #if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
        {
@@ -604,7 +608,6 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
        },
 #endif
 };
-#endif
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 static struct platform_device bfin_sport0_uart_device = {
@@ -720,6 +723,7 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+        &bfin_mii_bus,
        &bfin_mac_device,
 #endif
@@ -764,27 +768,23 @@ static struct platform_device *stamp_devices[] __initdata = {
        &bfin_gpios_device,
 };
-static int __init stamp_init(void)
+static int __init ezbrd_init(void)
 {
        printk(KERN_INFO "%s(): registering device resources\n", __func__);
-#ifdef CONFIG_I2C_BOARDINFO
        i2c_register_board_info(0, bfin_i2c_board_info,
                                ARRAY_SIZE(bfin_i2c_board_info));
-#endif
        platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
        spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
        return 0;
 }
-arch_initcall(stamp_init);
+arch_initcall(ezbrd_init);
 void native_machine_restart(char *cmd)
 {
        /* workaround reboot hang when booting from SPI */
        if ((bfin_read_SYSCR() & 0x7) == 0x3)
-                bfin_gpio_reset_spi0_ssel1();
+                bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 }
 void bfin_get_ether_addr(char *addr)
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index 9454fb7b18c3..d0864111ef59 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -425,8 +425,13 @@ static struct platform_device isp1362_hcd_device = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static struct platform_device bfin_mii_bus = {
+        .name = "bfin_mii_bus",
+};
 static struct platform_device bfin_mac_device = {
        .name = "bfin_mac",
+        .dev.platform_data = &bfin_mii_bus,
 };
 #endif
@@ -830,7 +835,6 @@ static struct platform_device i2c_bfin_twi_device = {
 };
 #endif
-#ifdef CONFIG_I2C_BOARDINFO
 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 #if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
        {
@@ -844,7 +848,6 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
        },
 #endif
 };
-#endif
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 static struct platform_device bfin_sport0_uart_device = {
@@ -988,6 +991,7 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+        &bfin_mii_bus,
        &bfin_mac_device,
 #endif
@@ -1048,27 +1052,23 @@ static struct platform_device *stamp_devices[] __initdata = {
        &bfin_gpios_device,
 };
-static int __init stamp_init(void)
+static int __init ezkit_init(void)
 {
        printk(KERN_INFO "%s(): registering device resources\n", __func__);
-#ifdef CONFIG_I2C_BOARDINFO
        i2c_register_board_info(0, bfin_i2c_board_info,
                                ARRAY_SIZE(bfin_i2c_board_info));
-#endif
        platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
        spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
        return 0;
 }
-arch_initcall(stamp_init);
+arch_initcall(ezkit_init);
 void native_machine_restart(char *cmd)
 {
        /* workaround reboot hang when booting from SPI */
        if ((bfin_read_SYSCR() & 0x7) == 0x3)
-                bfin_gpio_reset_spi0_ssel1();
+                bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 }
 void bfin_get_ether_addr(char *addr)
diff --git a/arch/blackfin/mach-bf527/include/mach/portmux.h b/arch/blackfin/mach-bf527/include/mach/portmux.h
index 7f6da2c386bb..72b1652be4da 100644
--- a/arch/blackfin/mach-bf527/include/mach/portmux.h
+++ b/arch/blackfin/mach-bf527/include/mach/portmux.h
@@ -73,6 +73,8 @@
 #define P_HWAIT         (P_DONTCARE)
+#define P_DEFAULT_BOOT_SPI_CS P_SPI0_SSEL1
 #define P_SPI0_SS       (P_DEFINED | P_IDENT(GPIO_PG1) | P_FUNCT(0))
 #define P_SPI0_SSEL1    (P_DEFINED | P_IDENT(GPIO_PG1) | P_FUNCT(2))
 #define P_SPI0_SCK      (P_DEFINED | P_IDENT(GPIO_PG2) | P_FUNCT(2))
diff --git a/arch/blackfin/mach-bf533/boards/blackstamp.c b/arch/blackfin/mach-bf533/boards/blackstamp.c
index 6ee607c259ac..015c18f85e7f 100644
--- a/arch/blackfin/mach-bf533/boards/blackstamp.c
+++ b/arch/blackfin/mach-bf533/boards/blackstamp.c
@@ -309,10 +309,8 @@ static struct platform_device i2c_gpio_device = {
 };
 #endif
-#ifdef CONFIG_I2C_BOARDINFO
 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 };
-#endif
 static const unsigned int cclk_vlev_datasheet[] =
 {
@@ -390,10 +388,8 @@ static int __init blackstamp_init(void)
        printk(KERN_INFO "%s(): registering device resources\n", __func__);
-#ifdef CONFIG_I2C_BOARDINFO
        i2c_register_board_info(0, bfin_i2c_board_info,
                                ARRAY_SIZE(bfin_i2c_board_info));
-#endif
        ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
        if (ret < 0)
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index 07f9ad1e189c..db96f33f72e2 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -441,7 +441,6 @@ static struct platform_device i2c_gpio_device = {
 };
 #endif
-#ifdef CONFIG_I2C_BOARDINFO
 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
        {
@@ -461,7 +460,6 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
        },
 #endif
 };
-#endif
 static const unsigned int cclk_vlev_datasheet[] =
 {
@@ -550,10 +548,8 @@ static int __init stamp_init(void)
        printk(KERN_INFO "%s(): registering device resources\n", __func__);
-#ifdef CONFIG_I2C_BOARDINFO
        i2c_register_board_info(0, bfin_i2c_board_info,
                                ARRAY_SIZE(bfin_i2c_board_info));
-#endif
        ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
        if (ret < 0)
diff --git a/arch/blackfin/mach-bf533/include/mach/portmux.h b/arch/blackfin/mach-bf533/include/mach/portmux.h
index 685a2651dcda..2f59ce0b0cb5 100644
--- a/arch/blackfin/mach-bf533/include/mach/portmux.h
+++ b/arch/blackfin/mach-bf533/include/mach/portmux.h
@@ -54,14 +54,11 @@
 #define P_SPI0_SSEL2    (P_DEFINED | P_IDENT(GPIO_PF2))
 #define P_SPI0_SSEL1    (P_DEFINED | P_IDENT(GPIO_PF1))
 #define P_SPI0_SS       (P_DEFINED | P_IDENT(GPIO_PF0))
+#define P_DEFAULT_BOOT_SPI_CS P_SPI0_SSEL2
 #define P_TMR2          (P_DONTCARE)
 #define P_TMR1          (P_DONTCARE)
 #define P_TMR0          (P_DONTCARE)
 #define P_TMRCLK        (P_DEFINED | P_IDENT(GPIO_PF1))
 #endif /* _MACH_PORTMUX_H_ */
diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537.c b/arch/blackfin/mach-bf537/boards/cm_bf537.c
index 6ac8e4d5bd38..9cd8fb2a30d3 100644
--- a/arch/blackfin/mach-bf537/boards/cm_bf537.c
+++ b/arch/blackfin/mach-bf537/boards/cm_bf537.c
@@ -479,8 +479,13 @@ static struct platform_device bfin_sport1_uart_device = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static struct platform_device bfin_mii_bus = {
+        .name = "bfin_mii_bus",
+};
 static struct platform_device bfin_mac_device = {
        .name = "bfin_mac",
+        .dev.platform_data = &bfin_mii_bus,
 };
 #endif
@@ -591,6 +596,7 @@ static struct platform_device *cm_bf537_devices[] __initdata = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+        &bfin_mii_bus,
        &bfin_mac_device,
 #endif
diff --git a/arch/blackfin/mach-bf537/boards/generic_board.c b/arch/blackfin/mach-bf537/boards/generic_board.c
index dd6e6bfb98ea..da710fdc4569 100644
--- a/arch/blackfin/mach-bf537/boards/generic_board.c
+++ b/arch/blackfin/mach-bf537/boards/generic_board.c
@@ -262,8 +262,13 @@ static struct platform_device isp1362_hcd_device = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static struct platform_device bfin_mii_bus = {
+        .name = "bfin_mii_bus",
+};
 static struct platform_device bfin_mac_device = {
        .name = "bfin_mac",
+        .dev.platform_data = &bfin_mii_bus,
 };
 #endif
@@ -662,6 +667,7 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+        &bfin_mii_bus,
        &bfin_mac_device,
 #endif
@@ -708,7 +714,7 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 };
-static int __init stamp_init(void)
+static int __init generic_init(void)
 {
        printk(KERN_INFO "%s(): registering device resources\n", __func__);
        platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
@@ -720,13 +726,13 @@ static int __init stamp_init(void)
        return 0;
 }
-arch_initcall(stamp_init);
+arch_initcall(generic_init);
 void native_machine_restart(char *cmd)
 {
        /* workaround reboot hang when booting from SPI */
        if ((bfin_read_SYSCR() & 0x7) == 0x3)
-                bfin_gpio_reset_spi0_ssel1();
+                bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 }
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
diff --git a/arch/blackfin/mach-bf537/boards/minotaur.c b/arch/blackfin/mach-bf537/boards/minotaur.c
index bb795341cb17..db7d3a385e4b 100644
--- a/arch/blackfin/mach-bf537/boards/minotaur.c
+++ b/arch/blackfin/mach-bf537/boards/minotaur.c
@@ -61,8 +61,13 @@ static struct platform_device rtc_device = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static struct platform_device bfin_mii_bus = {
+        .name = "bfin_mii_bus",
+};
 static struct platform_device bfin_mac_device = {
        .name = "bfin_mac",
+        .dev.platform_data = &bfin_mii_bus,
 };
 #endif
@@ -324,6 +329,7 @@ static struct platform_device *minotaur_devices[] __initdata = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+        &bfin_mii_bus,
        &bfin_mac_device,
 #endif
@@ -377,5 +383,5 @@ void native_machine_restart(char *cmd)
 {
        /* workaround reboot hang when booting from SPI */
        if ((bfin_read_SYSCR() & 0x7) == 0x3)
-                bfin_gpio_reset_spi0_ssel1();
+                bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 }
diff --git a/arch/blackfin/mach-bf537/boards/pnav10.c b/arch/blackfin/mach-bf537/boards/pnav10.c
index 89de94f4545d..590eb3a139b7 100644
--- a/arch/blackfin/mach-bf537/boards/pnav10.c
+++ b/arch/blackfin/mach-bf537/boards/pnav10.c
@@ -198,8 +198,13 @@ static struct platform_device isp1362_hcd_device = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static struct platform_device bfin_mii_bus = {
+        .name = "bfin_mii_bus",
+};
 static struct platform_device bfin_mac_device = {
        .name = "bfin_mac",
+        .dev.platform_data = &bfin_mii_bus,
 };
 #endif
@@ -529,6 +534,7 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+        &bfin_mii_bus,
        &bfin_mac_device,
 #endif
@@ -558,7 +564,7 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 };
-static int __init stamp_init(void)
+static int __init pnav_init(void)
 {
        printk(KERN_INFO "%s(): registering device resources\n", __func__);
        platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
@@ -569,7 +575,7 @@ static int __init stamp_init(void)
        return 0;
 }
-arch_initcall(stamp_init);
+arch_initcall(pnav_init);
 void bfin_get_ether_addr(char *addr)
 {
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index d812e2514a2f..cd04c5e44878 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -321,8 +321,13 @@ static struct platform_device isp1362_hcd_device = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static struct platform_device bfin_mii_bus = {
+        .name = "bfin_mii_bus",
+};
 static struct platform_device bfin_mac_device = {
        .name = "bfin_mac",
+        .dev.platform_data = &bfin_mii_bus,
 };
 #endif
@@ -1068,7 +1073,6 @@ static struct adp5588_kpad_platform_data adp5588_kpad_data = {
 };
 #endif
-#ifdef CONFIG_I2C_BOARDINFO
 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
        {
@@ -1102,7 +1106,6 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
        },
 #endif
 };
-#endif
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 static struct platform_device bfin_sport0_uart_device = {
@@ -1217,6 +1220,7 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+        &bfin_mii_bus,
        &bfin_mac_device,
 #endif
@@ -1284,12 +1288,8 @@ static struct platform_device *stamp_devices[] __initdata = {
 static int __init stamp_init(void)
 {
        printk(KERN_INFO "%s(): registering device resources\n", __func__);
-#ifdef CONFIG_I2C_BOARDINFO
        i2c_register_board_info(0, bfin_i2c_board_info,
                                ARRAY_SIZE(bfin_i2c_board_info));
-#endif
        bfin_plat_nand_init();
        platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
        spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
@@ -1307,7 +1307,7 @@ void native_machine_restart(char *cmd)
 {
        /* workaround reboot hang when booting from SPI */
        if ((bfin_read_SYSCR() & 0x7) == 0x3)
-                bfin_gpio_reset_spi0_ssel1();
+                bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 }
 /*
diff --git a/arch/blackfin/mach-bf537/boards/tcm_bf537.c b/arch/blackfin/mach-bf537/boards/tcm_bf537.c
index 2f4b066153c5..3f4f203a06ec 100644
--- a/arch/blackfin/mach-bf537/boards/tcm_bf537.c
+++ b/arch/blackfin/mach-bf537/boards/tcm_bf537.c
@@ -481,8 +481,13 @@ static struct platform_device bfin_sport1_uart_device = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static struct platform_device bfin_mii_bus = {
+        .name = "bfin_mii_bus",
+};
 static struct platform_device bfin_mac_device = {
        .name = "bfin_mac",
+        .dev.platform_data = &bfin_mii_bus,
 };
 #endif
@@ -593,6 +598,7 @@ static struct platform_device *cm_bf537_devices[] __initdata = {
 #endif
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+        &bfin_mii_bus,
        &bfin_mac_device,
 #endif
@@ -615,7 +621,7 @@ static struct platform_device *cm_bf537_devices[] __initdata = {
        &bfin_gpios_device,
 };
-static int __init cm_bf537_init(void)
+static int __init tcm_bf537_init(void)
 {
        printk(KERN_INFO "%s(): registering device resources\n", __func__);
        platform_add_devices(cm_bf537_devices, ARRAY_SIZE(cm_bf537_devices));
@@ -629,7 +635,7 @@ static int __init cm_bf537_init(void)
        return 0;
 }
-arch_initcall(cm_bf537_init);
+arch_initcall(tcm_bf537_init);
 void bfin_get_ether_addr(char *addr)
 {
diff --git a/arch/blackfin/mach-bf537/include/mach/portmux.h b/arch/blackfin/mach-bf537/include/mach/portmux.h
index 78fee6e0f237..87285e75e903 100644
--- a/arch/blackfin/mach-bf537/include/mach/portmux.h
+++ b/arch/blackfin/mach-bf537/include/mach/portmux.h
@@ -31,6 +31,7 @@
 #define P_PPI0_FS1      (P_DEFINED | P_IDENT(GPIO_PF9) | P_FUNCT(1))
 #define P_TACLK0        (P_DEFINED | P_IDENT(GPIO_PF14) | P_FUNCT(1))
 #define P_TMRCLK        (P_DEFINED | P_IDENT(GPIO_PF15) | P_FUNCT(1))
+#define P_DEFAULT_BOOT_SPI_CS P_SPI0_SSEL1
 #define P_PPI0_D0       (P_DEFINED | P_IDENT(GPIO_PG0) | P_FUNCT(0))
 #define P_PPI0_D1       (P_DEFINED | P_IDENT(GPIO_PG1) | P_FUNCT(0))
diff --git a/arch/blackfin/mach-bf538/include/mach/portmux.h b/arch/blackfin/mach-bf538/include/mach/portmux.h
index 1e031b588b47..c8db264e3e4d 100644
--- a/arch/blackfin/mach-bf538/include/mach/portmux.h
+++ b/arch/blackfin/mach-bf538/include/mach/portmux.h
@@ -102,5 +102,6 @@
 #define P_SPI0_SSEL2    (P_DEFINED | P_IDENT(GPIO_PF2))
 #define P_SPI0_SSEL1    (P_DEFINED | P_IDENT(GPIO_PF1))
 #define P_SPI0_SS       (P_DEFINED | P_IDENT(GPIO_PF0))
+#define P_DEFAULT_BOOT_SPI_CS P_SPI0_SSEL2
 #endif /* _MACH_PORTMUX_H_ */
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index 309c16014cae..096e661700a7 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -781,7 +781,6 @@ static struct platform_device i2c_bfin_twi1_device = {
 #endif
 #endif
-#ifdef CONFIG_I2C_BOARDINFO
 static struct i2c_board_info __initdata bfin_i2c_board_info0[] = {
 };
@@ -800,7 +799,6 @@ static struct i2c_board_info __initdata bfin_i2c_board_info1[] = {
 #endif
 };
 #endif
-#endif
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 #include <linux/gpio_keys.h>
@@ -956,14 +954,12 @@ static int __init ezkit_init(void)
 {
        printk(KERN_INFO "%s(): registering device resources\n", __func__);
-#ifdef CONFIG_I2C_BOARDINFO
        i2c_register_board_info(0, bfin_i2c_board_info0,
                                ARRAY_SIZE(bfin_i2c_board_info0));
 #if !defined(CONFIG_BF542)      /* The BF542 only has 1 TWI */
        i2c_register_board_info(1, bfin_i2c_board_info1,
                                ARRAY_SIZE(bfin_i2c_board_info1));
 #endif
-#endif
        platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
diff --git a/arch/blackfin/mach-bf548/include/mach/anomaly.h b/arch/blackfin/mach-bf548/include/mach/anomaly.h
index 3b5430999f4f..23d03c52f4b4 100644
--- a/arch/blackfin/mach-bf548/include/mach/anomaly.h
+++ b/arch/blackfin/mach-bf548/include/mach/anomaly.h
@@ -175,6 +175,7 @@
 #define ANOMALY_05000311 (0)
 #define ANOMALY_05000323 (0)
 #define ANOMALY_05000363 (0)
+#define ANOMALY_05000380 (0)
 #define ANOMALY_05000412 (0)
 #define ANOMALY_05000432 (0)
 #define ANOMALY_05000435 (0)
diff --git a/arch/blackfin/mach-bf548/include/mach/bf548.h b/arch/blackfin/mach-bf548/include/mach/bf548.h
index f0e569984810..cd31f72bdd82 100644
--- a/arch/blackfin/mach-bf548/include/mach/bf548.h
+++ b/arch/blackfin/mach-bf548/include/mach/bf548.h
@@ -104,6 +104,18 @@
 #define AMGCTLVAL       (V_AMBEN | V_AMCKEN)
+#if defined(CONFIG_BF542M)
+# define CONFIG_BF542
+#elif defined(CONFIG_BF544M)
+# define CONFIG_BF544
+#elif defined(CONFIG_BF547M)
+# define CONFIG_BF547
+#elif defined(CONFIG_BF548M)
+# define CONFIG_BF548
+#elif defined(CONFIG_BF549M)
+# define CONFIG_BF549
+#endif
 #if defined(CONFIG_BF542)
 # define CPU   "BF542"
 # define CPUID 0x27de
diff --git a/arch/blackfin/mach-bf548/include/mach/gpio.h b/arch/blackfin/mach-bf548/include/mach/gpio.h
index bba82dc75f16..3a2051709787 100644
--- a/arch/blackfin/mach-bf548/include/mach/gpio.h
+++ b/arch/blackfin/mach-bf548/include/mach/gpio.h
@@ -195,17 +195,17 @@
 struct gpio_port_t {
        unsigned short port_fer;
        unsigned short dummy1;
-        unsigned short port_data;
+        unsigned short data;
        unsigned short dummy2;
-        unsigned short port_set;
+        unsigned short data_set;
        unsigned short dummy3;
-        unsigned short port_clear;
+        unsigned short data_clear;
        unsigned short dummy4;
-        unsigned short port_dir_set;
+        unsigned short dir_set;
        unsigned short dummy5;
-        unsigned short port_dir_clear;
+        unsigned short dir_clear;
        unsigned short dummy6;
-        unsigned short port_inen;
+        unsigned short inen;
        unsigned short dummy7;
        unsigned int port_mux;
 };
diff --git a/arch/blackfin/mach-bf548/include/mach/portmux.h b/arch/blackfin/mach-bf548/include/mach/portmux.h
index 8177a567dcdb..ffb1d0a44b4d 100644
--- a/arch/blackfin/mach-bf548/include/mach/portmux.h
+++ b/arch/blackfin/mach-bf548/include/mach/portmux.h
@@ -125,6 +125,7 @@
 #define P_KEY_COL2      (P_DEFINED | P_IDENT(GPIO_PD14) | P_FUNCT(3))
 #define P_KEY_COL3      (P_DEFINED | P_IDENT(GPIO_PD15) | P_FUNCT(3))
+#define P_DEFAULT_BOOT_SPI_CS P_SPI0_SSEL1
 #define P_SPI0_SCK      (P_DEFINED | P_IDENT(GPIO_PE0) | P_FUNCT(0))
 #define P_SPI0_MISO     (P_DEFINED | P_IDENT(GPIO_PE1) | P_FUNCT(0))
 #define P_SPI0_MOSI     (P_DEFINED | P_IDENT(GPIO_PE2) | P_FUNCT(0))
diff --git a/arch/blackfin/mach-bf561/include/mach/defBF561.h b/arch/blackfin/mach-bf561/include/mach/defBF561.h
index d7c509759659..cf922295f4ce 100644
--- a/arch/blackfin/mach-bf561/include/mach/defBF561.h
+++ b/arch/blackfin/mach-bf561/include/mach/defBF561.h
@@ -1106,6 +1106,8 @@
 #define DLEN_8               0x0        /* PPI Data Length mask for DLEN=8 */
 #define DLEN(x) (((x-9) & 0x07) << 11)  /* PPI Data Length (only works for x=10-->x=16) */
 #define POL                  0x0000C000 /* PPI Signal Polarities       */
+#define POLC            0x4000          /* PPI Clock Polarity */
+#define POLS            0x8000          /* PPI Frame Sync Polarity */
 /* PPI_STATUS Masks */
 #define FLD                  0x00000400 /* Field Indicator   */
diff --git a/arch/blackfin/mach-bf561/include/mach/portmux.h b/arch/blackfin/mach-bf561/include/mach/portmux.h
index a6ee8206efb6..2e5ad6347dea 100644
--- a/arch/blackfin/mach-bf561/include/mach/portmux.h
+++ b/arch/blackfin/mach-bf561/include/mach/portmux.h
@@ -85,5 +85,6 @@
 #define P_SPI0_MOSI     (P_DONTCARE)
 #define P_SPI0_MISO     (P_DONTCARE)
 #define P_SPI0_SCK      (P_DONTCARE)
+#define P_DEFAULT_BOOT_SPI_CS P_SPI0_SSEL2
 #endif /* _MACH_PORTMUX_H_ */
diff --git a/arch/blackfin/mach-common/clocks-init.c b/arch/blackfin/mach-common/clocks-init.c
index 5d182abefc7b..9dddb6f8cc85 100644
--- a/arch/blackfin/mach-common/clocks-init.c
+++ b/arch/blackfin/mach-common/clocks-init.c
@@ -14,6 +14,7 @@
 #include <asm/clocks.h>
 #include <asm/mem_init.h>
+#define SDGCTL_WIDTH (1 << 31)  /* SDRAM external data path width */
 #define PLL_CTL_VAL \
        (((CONFIG_VCO_MULT & 63) << 9) | CLKIN_HALF | \
         (PLL_BYPASS << 8) | (ANOMALY_05000265 ? 0x8000 : 0))
@@ -76,7 +77,7 @@ void init_clocks(void)
        bfin_write_PLL_DIV(CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV);
 #ifdef EBIU_SDGCTL
        bfin_write_EBIU_SDRRC(mem_SDRRC);
-        bfin_write_EBIU_SDGCTL(mem_SDGCTL);
+        bfin_write_EBIU_SDGCTL((bfin_read_EBIU_SDGCTL() & SDGCTL_WIDTH) | mem_SDGCTL);
 #else
        bfin_write_EBIU_RSTCTL(bfin_read_EBIU_RSTCTL() & ~(SRREQ));
        do_sync();
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index fae774651374..88de053bbe8e 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -151,13 +151,6 @@ ENTRY(_ex_syscall)
        jump.s _bfin_return_from_exception;
 ENDPROC(_ex_syscall)
-ENTRY(_ex_soft_bp)
-        r7 = retx;
-        r7 += -2;
-        retx = r7;
-        jump.s _ex_trap_c;
-ENDPROC(_ex_soft_bp)
 ENTRY(_ex_single_step)
        /* If we just returned from an interrupt, the single step event is
           for the RTI instruction.  */
@@ -1087,7 +1080,7 @@ ENTRY(_ex_table)
         * EXCPT instruction can provide 4 bits of EXCAUSE, allowing 16 to be user defined
         */
        .long _ex_syscall       /* 0x00 - User Defined - Linux Syscall */
-        .long _ex_soft_bp       /* 0x01 - User Defined - Software breakpoint */
+        .long _ex_trap_c        /* 0x01 - User Defined - Software breakpoint */
 #ifdef  CONFIG_KGDB
        .long _ex_trap_c        /* 0x02 - User Defined - KGDB initial connection
                                                         and break signal trap */
diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S
index e1e42c029e15..698d4c05947e 100644
--- a/arch/blackfin/mach-common/head.S
+++ b/arch/blackfin/mach-common/head.S
@@ -17,6 +17,19 @@
 __INIT
+ENTRY(__init_clear_bss)
+        r2 = r2 - r1;
+        cc = r2 == 0;
+        if cc jump .L_bss_done;
+        r2 >>= 2;
+        p1 = r1;
+        p2 = r2;
+        lsetup (1f, 1f) lc0 = p2;
+1:      [p1++] = r0;
+.L_bss_done:
+        rts;
+ENDPROC(__init_clear_bss)
 #define INITIAL_STACK   (L1_SCRATCH_START + L1_SCRATCH_LENGTH - 12)
 ENTRY(__start)
@@ -144,6 +157,35 @@ ENTRY(__start)
        call _init_early_exception_vectors;
 #endif
+        r0 = 0 (x);
+        /* Zero out all of the fun bss regions */
+#if L1_DATA_A_LENGTH > 0
+        r1.l = __sbss_l1;
+        r1.h = __sbss_l1;
+        r2.l = __ebss_l1;
+        r2.h = __ebss_l1;
+        call __init_clear_bss
+#endif
+#if L1_DATA_B_LENGTH > 0
+        r1.l = __sbss_b_l1;
+        r1.h = __sbss_b_l1;
+        r2.l = __ebss_b_l1;
+        r2.h = __ebss_b_l1;
+        call __init_clear_bss
+#endif
+#if L2_LENGTH > 0
+        r1.l = __sbss_l2;
+        r1.h = __sbss_l2;
+        r2.l = __ebss_l2;
+        r2.h = __ebss_l2;
+        call __init_clear_bss
+#endif
+        r1.l = ___bss_start;
+        r1.h = ___bss_start;
+        r2.l = ___bss_stop;
+        r2.h = ___bss_stop;
+        call __init_clear_bss
        /* Put The Code for PLL Programming and SDRAM Programming in L1 ISRAM */
        call _bfin_relocate_l1_mem;
 #ifdef CONFIG_BFIN_KERNEL_CLOCK
@@ -185,19 +227,6 @@ ENDPROC(__start)
 # define WDOG_CTL WDOGA_CTL
 #endif
-ENTRY(__init_clear_bss)
-        r2 = r2 - r1;
-        cc = r2 == 0;
-        if cc jump .L_bss_done;
-        r2 >>= 2;
-        p1 = r1;
-        p2 = r2;
-        lsetup (1f, 1f) lc0 = p2;
-1:      [p1++] = r0;
-.L_bss_done:
-        rts;
-ENDPROC(__init_clear_bss)
 ENTRY(_real_start)
        /* Enable nested interrupts */
        [--sp] = reti;
@@ -209,35 +238,6 @@ ENTRY(_real_start)
        w[p0] = r0;
        ssync;
-        r0 = 0 (x);
-        /* Zero out all of the fun bss regions */
-#if L1_DATA_A_LENGTH > 0
-        r1.l = __sbss_l1;
-        r1.h = __sbss_l1;
-        r2.l = __ebss_l1;
-        r2.h = __ebss_l1;
-        call __init_clear_bss
-#endif
-#if L1_DATA_B_LENGTH > 0
-        r1.l = __sbss_b_l1;
-        r1.h = __sbss_b_l1;
-        r2.l = __ebss_b_l1;
-        r2.h = __ebss_b_l1;
-        call __init_clear_bss
-#endif
-#if L2_LENGTH > 0
-        r1.l = __sbss_l2;
-        r1.h = __sbss_l2;
-        r2.l = __ebss_l2;
-        r2.h = __ebss_l2;
-        call __init_clear_bss
-#endif
-        r1.l = ___bss_start;
-        r1.h = ___bss_start;
-        r2.l = ___bss_stop;
-        r2.h = ___bss_stop;
-        call __init_clear_bss
        /* Pass the u-boot arguments to the global value command line */
        R0 = R7;
        call _cmdline_init;
diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index 473df0f7fa78..43c4eb9acb65 100644
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -195,7 +195,7 @@ ENDPROC(_evt_ivhw)
 /* Interrupt routine for evt2 (NMI).
 * We don't actually use this, so just return.
 * For inner circle type details, please see:
- * http://docs.blackfin.uclinux.org/doku.php?id=linux:nmi
+ * http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:nmi
 */
 ENTRY(_evt_nmi)
 .weak _evt_nmi
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 1bba6030dce9..202494568c6c 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -1101,10 +1101,9 @@ int __init init_arch_irq(void)
            IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 |
            IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW;
-#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561) \
+#ifdef SIC_IWR0
-        || defined(BF538_FAMILY) || defined(CONFIG_BF51x)
        bfin_write_SIC_IWR0(IWR_DISABLE_ALL);
-#if defined(CONFIG_BF52x) || defined(CONFIG_BF51x)
+# ifdef SIC_IWR1
        /* BF52x/BF51x system reset does not properly reset SIC_IWR1 which
         * will screw up the bootrom as it relies on MDMA0/1 waking it
         * up from IDLE instructions.  See this report for more info:
@@ -1114,10 +1113,8 @@ int __init init_arch_irq(void)
                bfin_write_SIC_IWR1(IWR_ENABLE(10) | IWR_ENABLE(11));
        else
                bfin_write_SIC_IWR1(IWR_DISABLE_ALL);
-#else
+# endif
-        bfin_write_SIC_IWR1(IWR_DISABLE_ALL);
+# ifdef SIC_IWR2
-#endif
-# ifdef CONFIG_BF54x
        bfin_write_SIC_IWR2(IWR_DISABLE_ALL);
 # endif
 #else
diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c
index d3d70fd67c16..f48a6aebb49b 100644
--- a/arch/blackfin/mach-common/pm.c
+++ b/arch/blackfin/mach-common/pm.c
@@ -82,10 +82,9 @@ void bfin_pm_suspend_standby_enter(void)
        bfin_pm_standby_restore();
-#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x)  || defined(CONFIG_BF561) || \
+#ifdef SIC_IWR0
-        defined(CONFIG_BF538) || defined(CONFIG_BF539) || defined(CONFIG_BF51x)
        bfin_write_SIC_IWR0(IWR_DISABLE_ALL);
-#if defined(CONFIG_BF52x) || defined(CONFIG_BF51x)
+# ifdef SIC_IWR1
        /* BF52x system reset does not properly reset SIC_IWR1 which
         * will screw up the bootrom as it relies on MDMA0/1 waking it
         * up from IDLE instructions.  See this report for more info:
@@ -95,10 +94,8 @@ void bfin_pm_suspend_standby_enter(void)
                bfin_write_SIC_IWR1(IWR_ENABLE(10) | IWR_ENABLE(11));
        else
                bfin_write_SIC_IWR1(IWR_DISABLE_ALL);
-#else
+# endif
-        bfin_write_SIC_IWR1(IWR_DISABLE_ALL);
+# ifdef SIC_IWR2
-#endif
-# ifdef CONFIG_BF54x
        bfin_write_SIC_IWR2(IWR_DISABLE_ALL);
 # endif
 #else
diff --git a/arch/sparc/include/asm/cpudata_64.h b/arch/sparc/include/asm/cpudata_64.h
index 7da7c13d23c4..a11b89ee9ef8 100644
--- a/arch/sparc/include/asm/cpudata_64.h
+++ b/arch/sparc/include/asm/cpudata_64.h
@@ -17,7 +17,7 @@
 typedef struct {
        /* Dcache line 1 */
        unsigned int    __softirq_pending; /* must be 1st, see rtrap.S */
-        unsigned int    __pad0;
+        unsigned int    __nmi_count;
        unsigned long   clock_tick;     /* %tick's per second */
        unsigned long   __pad;
        unsigned int    __pad1;
diff --git a/arch/sparc/include/asm/irq_64.h b/arch/sparc/include/asm/irq_64.h
index d47d4a1955a9..1934f2cbf513 100644
--- a/arch/sparc/include/asm/irq_64.h
+++ b/arch/sparc/include/asm/irq_64.h
@@ -66,9 +66,6 @@ extern void virt_irq_free(unsigned int virt_irq);
 extern void __init init_IRQ(void);
 extern void fixup_irqs(void);
-extern int register_perfctr_intr(void (*handler)(struct pt_regs *));
-extern void release_perfctr_intr(void (*handler)(struct pt_regs *));
 static inline void set_softint(unsigned long bits)
 {
        __asm__ __volatile__("wr        %0, 0x0, %%set_softint"
@@ -98,5 +95,6 @@ void __trigger_all_cpu_backtrace(void);
 extern void *hardirq_stack[NR_CPUS];
 extern void *softirq_stack[NR_CPUS];
 #define __ARCH_HAS_DO_SOFTIRQ
+#define ARCH_HAS_NMI_WATCHDOG
 #endif
diff --git a/arch/sparc/include/asm/kdebug_64.h b/arch/sparc/include/asm/kdebug_64.h
index f905b773235a..feb3578e12c4 100644
--- a/arch/sparc/include/asm/kdebug_64.h
+++ b/arch/sparc/include/asm/kdebug_64.h
@@ -14,6 +14,8 @@ enum die_val {
        DIE_TRAP,
        DIE_TRAP_TL1,
        DIE_CALL,
+        DIE_NMI,
+        DIE_NMIWATCHDOG,
 };
 #endif
diff --git a/arch/sparc/include/asm/nmi.h b/arch/sparc/include/asm/nmi.h
new file mode 100644
index 000000000000..fbd546dd4feb
--- /dev/null
+++ b/arch/sparc/include/asm/nmi.h
@@ -0,0 +1,10 @@
+#ifndef __NMI_H
+#define __NMI_H
+extern int __init nmi_init(void);
+extern void perfctr_irq(int irq, struct pt_regs *regs);
+extern void nmi_adjust_hz(unsigned int new_hz);
+extern int nmi_usable;
+#endif /* __NMI_H */
diff --git a/arch/sparc/include/asm/pcr.h b/arch/sparc/include/asm/pcr.h
new file mode 100644
index 000000000000..a2f5c61f924e
--- /dev/null
+++ b/arch/sparc/include/asm/pcr.h
@@ -0,0 +1,46 @@
+#ifndef __PCR_H
+#define __PCR_H
+struct pcr_ops {
+        u64 (*read)(void);
+        void (*write)(u64);
+};
+extern const struct pcr_ops *pcr_ops;
+extern void deferred_pcr_work_irq(int irq, struct pt_regs *regs);
+extern void schedule_deferred_pcr_work(void);
+#define PCR_PIC_PRIV            0x00000001 /* PIC access is privileged */
+#define PCR_STRACE              0x00000002 /* Trace supervisor events  */
+#define PCR_UTRACE              0x00000004 /* Trace user events        */
+#define PCR_N2_HTRACE           0x00000008 /* Trace hypervisor events  */
+#define PCR_N2_TOE_OV0          0x00000010 /* Trap if PIC 0 overflows  */
+#define PCR_N2_TOE_OV1          0x00000020 /* Trap if PIC 1 overflows  */
+#define PCR_N2_MASK0            0x00003fc0
+#define PCR_N2_MASK0_SHIFT      6
+#define PCR_N2_SL0              0x0003c000
+#define PCR_N2_SL0_SHIFT        14
+#define PCR_N2_OV0              0x00040000
+#define PCR_N2_MASK1            0x07f80000
+#define PCR_N2_MASK1_SHIFT      19
+#define PCR_N2_SL1              0x78000000
+#define PCR_N2_SL1_SHIFT        27
+#define PCR_N2_OV1              0x80000000
+extern unsigned int picl_shift;
+/* In order to commonize as much of the implementation as
+ * possible, we use PICH as our counter.  Mostly this is
+ * to accomodate Niagara-1 which can only count insn cycles
+ * in PICH.
+ */
+static inline u64 picl_value(unsigned int nmi_hz)
+{
+        u32 delta = local_cpu_data().clock_tick / (nmi_hz << picl_shift);
+        return ((u64)((0 - delta) & 0xffffffff)) << 32;
+}
+extern u64 pcr_enable;
+#endif /* __PCR_H */
diff --git a/arch/sparc/include/asm/pil.h b/arch/sparc/include/asm/pil.h
index d573820c0ff4..32a7efe76d00 100644
--- a/arch/sparc/include/asm/pil.h
+++ b/arch/sparc/include/asm/pil.h
@@ -23,6 +23,7 @@
 #define PIL_SMP_CTX_NEW_VERSION 4
 #define PIL_DEVICE_IRQ          5
 #define PIL_SMP_CALL_FUNC_SNGL  6
+#define PIL_DEFERRED_PCR_WORK   7
 #define PIL_NORMAL_MAX          14
 #define PIL_NMI                 15
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 53adcaa0348b..54742e58831c 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -52,6 +52,8 @@ obj-$(CONFIG_SPARC64)   += visemul.o
 obj-$(CONFIG_SPARC64)   += hvapi.o
 obj-$(CONFIG_SPARC64)   += sstate.o
 obj-$(CONFIG_SPARC64)   += mdesc.o
+obj-$(CONFIG_SPARC64)   += pcr.o
+obj-$(CONFIG_SPARC64)   += nmi.o
 # sparc32 do not use GENERIC_HARDIRQS but uses the generic devres implementation
 obj-$(CONFIG_SPARC32)     += devres.o
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index 32d32b4824f5..d85c3dc4953a 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -26,6 +26,7 @@ EXPORT_PER_CPU_SYMBOL(__cpu_data);
 struct cpu_info {
        int psr_vers;
        const char *name;
+        const char *pmu_name;
 };
 struct fpu_info {
@@ -45,6 +46,9 @@ struct manufacturer_info {
 #define CPU(ver, _name) \
 { .psr_vers = ver, .name = _name }
+#define CPU_PMU(ver, _name, _pmu_name)  \
+{ .psr_vers = ver, .name = _name, .pmu_name = _pmu_name }
 #define FPU(ver, _name) \
 { .fp_vers = ver, .name = _name }
@@ -183,10 +187,10 @@ static const struct manufacturer_info __initconst manufacturer_info[] = {
 },{
        0x17,
        .cpu_info = {
-                CPU(0x10, "TI UltraSparc I   (SpitFire)"),
+                CPU_PMU(0x10, "TI UltraSparc I   (SpitFire)", "ultra12"),
-                CPU(0x11, "TI UltraSparc II  (BlackBird)"),
+                CPU_PMU(0x11, "TI UltraSparc II  (BlackBird)", "ultra12"),
-                CPU(0x12, "TI UltraSparc IIi (Sabre)"),
+                CPU_PMU(0x12, "TI UltraSparc IIi (Sabre)", "ultra12"),
-                CPU(0x13, "TI UltraSparc IIe (Hummingbird)"),
+                CPU_PMU(0x13, "TI UltraSparc IIe (Hummingbird)", "ultra12"),
                CPU(-1, NULL)
        },
        .fpu_info = {
@@ -199,7 +203,7 @@ static const struct manufacturer_info __initconst manufacturer_info[] = {
 },{
        0x22,
        .cpu_info = {
-                CPU(0x10, "TI UltraSparc I   (SpitFire)"),
+                CPU_PMU(0x10, "TI UltraSparc I   (SpitFire)", "ultra12"),
                CPU(-1, NULL)
        },
        .fpu_info = {
@@ -209,12 +213,12 @@ static const struct manufacturer_info __initconst manufacturer_info[] = {
 },{
        0x3e,
        .cpu_info = {
-                CPU(0x14, "TI UltraSparc III (Cheetah)"),
+                CPU_PMU(0x14, "TI UltraSparc III (Cheetah)", "ultra3"),
-                CPU(0x15, "TI UltraSparc III+ (Cheetah+)"),
+                CPU_PMU(0x15, "TI UltraSparc III+ (Cheetah+)", "ultra3+"),
-                CPU(0x16, "TI UltraSparc IIIi (Jalapeno)"),
+                CPU_PMU(0x16, "TI UltraSparc IIIi (Jalapeno)", "ultra3i"),
-                CPU(0x18, "TI UltraSparc IV (Jaguar)"),
+                CPU_PMU(0x18, "TI UltraSparc IV (Jaguar)", "ultra3+"),
-                CPU(0x19, "TI UltraSparc IV+ (Panther)"),
+                CPU_PMU(0x19, "TI UltraSparc IV+ (Panther)", "ultra4+"),
-                CPU(0x22, "TI UltraSparc IIIi+ (Serrano)"),
+                CPU_PMU(0x22, "TI UltraSparc IIIi+ (Serrano)", "ultra3i"),
                CPU(-1, NULL)
        },
        .fpu_info = {
@@ -234,6 +238,7 @@ static const struct manufacturer_info __initconst manufacturer_info[] = {
 const char *sparc_cpu_type;
 const char *sparc_fpu_type;
+const char *sparc_pmu_type;
 unsigned int fsr_storage;
@@ -244,6 +249,7 @@ static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
        sparc_cpu_type = NULL;
        sparc_fpu_type = NULL;
+        sparc_pmu_type = NULL;
        manuf = NULL;
        for (i = 0; i < ARRAY_SIZE(manufacturer_info); i++)
@@ -263,6 +269,7 @@ static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
                {
                        if (cpu->psr_vers == psr_vers) {
                                sparc_cpu_type = cpu->name;
+                                sparc_pmu_type = cpu->pmu_name;
                                sparc_fpu_type = "No FPU";
                                break;
                        }
@@ -290,6 +297,8 @@ static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
                       psr_impl, fpu_vers);
                sparc_fpu_type = "Unknown FPU";
        }
+        if (sparc_pmu_type == NULL)
+                sparc_pmu_type = "Unknown PMU";
 }
 #ifdef CONFIG_SPARC32
@@ -315,11 +324,13 @@ static void __init sun4v_cpu_probe(void)
        case SUN4V_CHIP_NIAGARA1:
                sparc_cpu_type = "UltraSparc T1 (Niagara)";
                sparc_fpu_type = "UltraSparc T1 integrated FPU";
+                sparc_pmu_type = "niagara";
                break;
        case SUN4V_CHIP_NIAGARA2:
                sparc_cpu_type = "UltraSparc T2 (Niagara2)";
                sparc_fpu_type = "UltraSparc T2 integrated FPU";
+                sparc_pmu_type = "niagara2";
                break;
        default:
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index cab8e0286871..e289376198eb 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -196,6 +196,11 @@ int show_interrupts(struct seq_file *p, void *v)
                seq_putc(p, '\n');
 skip:
                spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+        } else if (i == NR_IRQS) {
+                seq_printf(p, "NMI: ");
+                for_each_online_cpu(j)
+                        seq_printf(p, "%10u ", cpu_data(j).__nmi_count);
+                seq_printf(p, "     Non-maskable interrupts\n");
        }
        return 0;
 }
@@ -778,69 +783,6 @@ void do_softirq(void)
        local_irq_restore(flags);
 }
-static void unhandled_perf_irq(struct pt_regs *regs)
-{
-        unsigned long pcr, pic;
-        read_pcr(pcr);
-        read_pic(pic);
-        write_pcr(0);
-        printk(KERN_EMERG "CPU %d: Got unexpected perf counter IRQ.\n",
-               smp_processor_id());
-        printk(KERN_EMERG "CPU %d: PCR[%016lx] PIC[%016lx]\n",
-               smp_processor_id(), pcr, pic);
-}
-/* Almost a direct copy of the powerpc PMC code.  */
-static DEFINE_SPINLOCK(perf_irq_lock);
-static void *perf_irq_owner_caller; /* mostly for debugging */
-static void (*perf_irq)(struct pt_regs *regs) = unhandled_perf_irq;
-/* Invoked from level 15 PIL handler in trap table.  */
-void perfctr_irq(int irq, struct pt_regs *regs)
-{
-        clear_softint(1 << irq);
-        perf_irq(regs);
-}
-int register_perfctr_intr(void (*handler)(struct pt_regs *))
-{
-        int ret;
-        if (!handler)
-                return -EINVAL;
-        spin_lock(&perf_irq_lock);
-        if (perf_irq != unhandled_perf_irq) {
-                printk(KERN_WARNING "register_perfctr_intr: "
-                       "perf IRQ busy (reserved by caller %p)\n",
-                       perf_irq_owner_caller);
-                ret = -EBUSY;
-                goto out;
-        }
-        perf_irq_owner_caller = __builtin_return_address(0);
-        perf_irq = handler;
-        ret = 0;
-out:
-        spin_unlock(&perf_irq_lock);
-        return ret;
-}
-EXPORT_SYMBOL_GPL(register_perfctr_intr);
-void release_perfctr_intr(void (*handler)(struct pt_regs *))
-{
-        spin_lock(&perf_irq_lock);
-        perf_irq_owner_caller = NULL;
-        perf_irq = unhandled_perf_irq;
-        spin_unlock(&perf_irq_lock);
-}
-EXPORT_SYMBOL_GPL(release_perfctr_intr);
 #ifdef CONFIG_HOTPLUG_CPU
 void fixup_irqs(void)
 {
diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h
index 81a972e8d8ea..15d8a3f645c9 100644
--- a/arch/sparc/kernel/kernel.h
+++ b/arch/sparc/kernel/kernel.h
@@ -5,6 +5,7 @@
 /* cpu.c */
 extern const char *sparc_cpu_type;
+extern const char *sparc_pmu_type;
 extern const char *sparc_fpu_type;
 extern unsigned int fsr_storage;
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
new file mode 100644
index 000000000000..09f088ed4a64
--- /dev/null
+++ b/arch/sparc/kernel/nmi.c
@@ -0,0 +1,224 @@
+/* Pseudo NMI support on sparc64 systems.
+ *
+ * Copyright (C) 2009 David S. Miller <davem@davemloft.net>
+ *
+ * The NMI watchdog support and infrastructure is based almost
+ * entirely upon the x86 NMI support code.
+ */
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/init.h>
+#include <linux/percpu.h>
+#include <linux/nmi.h>
+#include <linux/module.h>
+#include <linux/kprobes.h>
+#include <linux/kernel_stat.h>
+#include <linux/slab.h>
+#include <linux/kdebug.h>
+#include <linux/delay.h>
+#include <linux/smp.h>
+#include <asm/ptrace.h>
+#include <asm/local.h>
+#include <asm/pcr.h>
+/* We don't have a real NMI on sparc64, but we can fake one
+ * up using profiling counter overflow interrupts and interrupt
+ * levels.
+ *
+ * The profile overflow interrupts at level 15, so we use
+ * level 14 as our IRQ off level.
+ */
+static int nmi_watchdog_active;
+static int panic_on_timeout;
+int nmi_usable;
+EXPORT_SYMBOL_GPL(nmi_usable);
+static unsigned int nmi_hz = HZ;
+static DEFINE_PER_CPU(unsigned int, last_irq_sum);
+static DEFINE_PER_CPU(local_t, alert_counter);
+static DEFINE_PER_CPU(int, nmi_touch);
+void touch_nmi_watchdog(void)
+{
+        if (nmi_watchdog_active) {
+                int cpu;
+                for_each_present_cpu(cpu) {
+                        if (per_cpu(nmi_touch, cpu) != 1)
+                                per_cpu(nmi_touch, cpu) = 1;
+                }
+        }
+        touch_softlockup_watchdog();
+}
+EXPORT_SYMBOL(touch_nmi_watchdog);
+static void die_nmi(const char *str, struct pt_regs *regs, int do_panic)
+{
+        if (notify_die(DIE_NMIWATCHDOG, str, regs, 0,
+                       pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP)
+                return;
+        console_verbose();
+        bust_spinlocks(1);
+        printk(KERN_EMERG "%s", str);
+        printk(" on CPU%d, ip %08lx, registers:\n",
+               smp_processor_id(), regs->tpc);
+        show_regs(regs);
+        bust_spinlocks(0);
+        if (do_panic || panic_on_oops)
+                panic("Non maskable interrupt");
+        local_irq_enable();
+        do_exit(SIGBUS);
+}
+notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
+{
+        unsigned int sum, touched = 0;
+        int cpu = smp_processor_id();
+        clear_softint(1 << irq);
+        pcr_ops->write(PCR_PIC_PRIV);
+        local_cpu_data().__nmi_count++;
+        if (notify_die(DIE_NMI, "nmi", regs, 0,
+                       pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP)
+                touched = 1;
+        sum = kstat_irqs_cpu(0, cpu);
+        if (__get_cpu_var(nmi_touch)) {
+                __get_cpu_var(nmi_touch) = 0;
+                touched = 1;
+        }
+        if (!touched && __get_cpu_var(last_irq_sum) == sum) {
+                local_inc(&__get_cpu_var(alert_counter));
+                if (local_read(&__get_cpu_var(alert_counter)) == 5 * nmi_hz)
+                        die_nmi("BUG: NMI Watchdog detected LOCKUP",
+                                regs, panic_on_timeout);
+        } else {
+                __get_cpu_var(last_irq_sum) = sum;
+                local_set(&__get_cpu_var(alert_counter), 0);
+        }
+        if (nmi_usable) {
+                write_pic(picl_value(nmi_hz));
+                pcr_ops->write(pcr_enable);
+        }
+}
+static inline unsigned int get_nmi_count(int cpu)
+{
+        return cpu_data(cpu).__nmi_count;
+}
+static int endflag __initdata;
+static __init void nmi_cpu_busy(void *data)
+{
+        local_irq_enable_in_hardirq();
+        while (endflag == 0)
+                mb();
+}
+static void report_broken_nmi(int cpu, int *prev_nmi_count)
+{
+        printk(KERN_CONT "\n");
+        printk(KERN_WARNING
+                "WARNING: CPU#%d: NMI appears to be stuck (%d->%d)!\n",
+                        cpu, prev_nmi_count[cpu], get_nmi_count(cpu));
+        printk(KERN_WARNING
+                "Please report this to bugzilla.kernel.org,\n");
+        printk(KERN_WARNING
+                "and attach the output of the 'dmesg' command.\n");
+        nmi_usable = 0;
+}
+static void stop_watchdog(void *unused)
+{
+        pcr_ops->write(PCR_PIC_PRIV);
+}
+static int __init check_nmi_watchdog(void)
+{
+        unsigned int *prev_nmi_count;
+        int cpu, err;
+        prev_nmi_count = kmalloc(nr_cpu_ids * sizeof(unsigned int), GFP_KERNEL);
+        if (!prev_nmi_count) {
+                err = -ENOMEM;
+                goto error;
+        }
+        printk(KERN_INFO "Testing NMI watchdog ... ");
+        smp_call_function(nmi_cpu_busy, (void *)&endflag, 0);
+        for_each_possible_cpu(cpu)
+                prev_nmi_count[cpu] = get_nmi_count(cpu);
+        local_irq_enable();
+        mdelay((20 * 1000) / nmi_hz); /* wait 20 ticks */
+        for_each_online_cpu(cpu) {
+                if (get_nmi_count(cpu) - prev_nmi_count[cpu] <= 5)
+                        report_broken_nmi(cpu, prev_nmi_count);
+        }
+        endflag = 1;
+        if (!nmi_usable) {
+                kfree(prev_nmi_count);
+                err = -ENODEV;
+                goto error;
+        }
+        printk("OK.\n");
+        nmi_hz = 1;
+        kfree(prev_nmi_count);
+        return 0;
+error:
+        on_each_cpu(stop_watchdog, NULL, 1);
+        return err;
+}
+static void start_watchdog(void *unused)
+{
+        pcr_ops->write(PCR_PIC_PRIV);
+        write_pic(picl_value(nmi_hz));
+        pcr_ops->write(pcr_enable);
+}
+void nmi_adjust_hz(unsigned int new_hz)
+{
+        nmi_hz = new_hz;
+        on_each_cpu(start_watchdog, NULL, 1);
+}
+EXPORT_SYMBOL_GPL(nmi_adjust_hz);
+int __init nmi_init(void)
+{
+        nmi_usable = 1;
+        on_each_cpu(start_watchdog, NULL, 1);
+        return check_nmi_watchdog();
+}
+static int __init setup_nmi_watchdog(char *str)
+{
+        if (!strncmp(str, "panic", 5))
+                panic_on_timeout = 1;
+        return 0;
+}
+__setup("nmi_watchdog=", setup_nmi_watchdog);
diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c
new file mode 100644
index 000000000000..92e0dda141a4
--- /dev/null
+++ b/arch/sparc/kernel/pcr.c
@@ -0,0 +1,153 @@
+/* pcr.c: Generic sparc64 performance counter infrastructure.
+ *
+ * Copyright (C) 2009 David S. Miller (davem@davemloft.net)
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/pil.h>
+#include <asm/pcr.h>
+#include <asm/nmi.h>
+/* This code is shared between various users of the performance
+ * counters.  Users will be oprofile, pseudo-NMI watchdog, and the
+ * perf_counter support layer.
+ */
+#define PCR_SUN4U_ENABLE        (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE)
+#define PCR_N2_ENABLE           (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE | \
+                                 PCR_N2_TOE_OV1 | \
+                                 (2 << PCR_N2_SL1_SHIFT) | \
+                                 (0xff << PCR_N2_MASK1_SHIFT))
+u64 pcr_enable;
+unsigned int picl_shift;
+/* Performance counter interrupts run unmasked at PIL level 15.
+ * Therefore we can't do things like wakeups and other work
+ * that expects IRQ disabling to be adhered to in locking etc.
+ *
+ * Therefore in such situations we defer the work by signalling
+ * a lower level cpu IRQ.
+ */
+void deferred_pcr_work_irq(int irq, struct pt_regs *regs)
+{
+        clear_softint(1 << PIL_DEFERRED_PCR_WORK);
+}
+void schedule_deferred_pcr_work(void)
+{
+        set_softint(1 << PIL_DEFERRED_PCR_WORK);
+}
+const struct pcr_ops *pcr_ops;
+EXPORT_SYMBOL_GPL(pcr_ops);
+static u64 direct_pcr_read(void)
+{
+        u64 val;
+        read_pcr(val);
+        return val;
+}
+static void direct_pcr_write(u64 val)
+{
+        write_pcr(val);
+}
+static const struct pcr_ops direct_pcr_ops = {
+        .read   = direct_pcr_read,
+        .write  = direct_pcr_write,
+};
+static void n2_pcr_write(u64 val)
+{
+        unsigned long ret;
+        ret = sun4v_niagara2_setperf(HV_N2_PERF_SPARC_CTL, val);
+        if (val != HV_EOK)
+                write_pcr(val);
+}
+static const struct pcr_ops n2_pcr_ops = {
+        .read   = direct_pcr_read,
+        .write  = n2_pcr_write,
+};
+static unsigned long perf_hsvc_group;
+static unsigned long perf_hsvc_major;
+static unsigned long perf_hsvc_minor;
+static int __init register_perf_hsvc(void)
+{
+        if (tlb_type == hypervisor) {
+                switch (sun4v_chip_type) {
+                case SUN4V_CHIP_NIAGARA1:
+                        perf_hsvc_group = HV_GRP_NIAG_PERF;
+                        break;
+                case SUN4V_CHIP_NIAGARA2:
+                        perf_hsvc_group = HV_GRP_N2_CPU;
+                        break;
+                default:
+                        return -ENODEV;
+                }
+                perf_hsvc_major = 1;
+                perf_hsvc_minor = 0;
+                if (sun4v_hvapi_register(perf_hsvc_group,
+                                         perf_hsvc_major,
+                                         &perf_hsvc_minor)) {
+                        printk("perfmon: Could not register hvapi.\n");
+                        return -ENODEV;
+                }
+        }
+        return 0;
+}
+static void __init unregister_perf_hsvc(void)
+{
+        if (tlb_type != hypervisor)
+                return;
+        sun4v_hvapi_unregister(perf_hsvc_group);
+}
+int __init pcr_arch_init(void)
+{
+        int err = register_perf_hsvc();
+        if (err)
+                return err;
+        switch (tlb_type) {
+        case hypervisor:
+                pcr_ops = &n2_pcr_ops;
+                pcr_enable = PCR_N2_ENABLE;
+                picl_shift = 2;
+                break;
+        case cheetah:
+        case cheetah_plus:
+        case spitfire:
+                pcr_ops = &direct_pcr_ops;
+                pcr_enable = PCR_SUN4U_ENABLE;
+                break;
+        default:
+                err = -ENODEV;
+                goto out_unregister;
+        }
+        return nmi_init();
+out_unregister:
+        unregister_perf_hsvc();
+        return err;
+}
+arch_initcall(pcr_arch_init);
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index cc8b5604442c..a73954b87f0a 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -29,6 +29,7 @@
 #include <linux/cpu.h>
 #include <linux/elfcore.h>
 #include <linux/sysrq.h>
+#include <linux/nmi.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -52,8 +53,10 @@
 static void sparc64_yield(int cpu)
 {
-        if (tlb_type != hypervisor)
+        if (tlb_type != hypervisor) {
+                touch_nmi_watchdog();
                return;
+        }
        clear_thread_flag(TIF_POLLING_NRFLAG);
        smp_mb__after_clear_bit();
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 49d061f4ae9d..f2bcfd2967d7 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -354,6 +354,7 @@ static int show_cpuinfo(struct seq_file *m, void *__unused)
        seq_printf(m, 
                   "cpu\t\t: %s\n"
                   "fpu\t\t: %s\n"
+                   "pmu\t\t: %s\n"
                   "prom\t\t: %s\n"
                   "type\t\t: %s\n"
                   "ncpus probed\t: %d\n"
@@ -366,6 +367,7 @@ static int show_cpuinfo(struct seq_file *m, void *__unused)
                   ,
                   sparc_cpu_type,
                   sparc_fpu_type,
+                   sparc_pmu_type,
                   prom_version,
                   ((tlb_type == hypervisor) ?
                    "sun4v" :
diff --git a/arch/sparc/kernel/ttable.S b/arch/sparc/kernel/ttable.S
index ea925503b42e..d9bdfb9d5c18 100644
--- a/arch/sparc/kernel/ttable.S
+++ b/arch/sparc/kernel/ttable.S
@@ -63,7 +63,8 @@ tl0_irq6:	TRAP_IRQ(smp_call_function_single_client, 6)
 #else
 tl0_irq6:       BTRAP(0x46)
 #endif
-tl0_irq7:       BTRAP(0x47) BTRAP(0x48) BTRAP(0x49)
+tl0_irq7:       TRAP_IRQ(deferred_pcr_work_irq, 7)
+tl0_irq8:       BTRAP(0x48) BTRAP(0x49)
 tl0_irq10:      BTRAP(0x4a) BTRAP(0x4b) BTRAP(0x4c) BTRAP(0x4d)
 tl0_irq14:      TRAP_IRQ(timer_interrupt, 14)
 tl0_irq15:      TRAP_NMI_IRQ(perfctr_irq, 15)
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index a9e474bf6385..4ab8993b0863 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -19,6 +19,7 @@
 #include <linux/interrupt.h>
 #include <linux/kprobes.h>
 #include <linux/kdebug.h>
+#include <linux/percpu.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
@@ -224,6 +225,30 @@ cannot_handle:
        unhandled_fault (address, current, regs);
 }
+static void noinline bogus_32bit_fault_tpc(struct pt_regs *regs)
+{
+        static int times;
+        if (times++ < 10)
+                printk(KERN_ERR "FAULT[%s:%d]: 32-bit process reports "
+                       "64-bit TPC [%lx]\n",
+                       current->comm, current->pid,
+                       regs->tpc);
+        show_regs(regs);
+}
+static void noinline bogus_32bit_fault_address(struct pt_regs *regs,
+                                               unsigned long addr)
+{
+        static int times;
+        if (times++ < 10)
+                printk(KERN_ERR "FAULT[%s:%d]: 32-bit process "
+                       "reports 64-bit fault address [%lx]\n",
+                       current->comm, current->pid, addr);
+        show_regs(regs);
+}
 asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
 {
        struct mm_struct *mm = current->mm;
@@ -244,6 +269,19 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
            (fault_code & FAULT_CODE_DTLB))
                BUG();
+        if (test_thread_flag(TIF_32BIT)) {
+                if (!(regs->tstate & TSTATE_PRIV)) {
+                        if (unlikely((regs->tpc >> 32) != 0)) {
+                                bogus_32bit_fault_tpc(regs);
+                                goto intr_or_no_mm;
+                        }
+                }
+                if (unlikely((address >> 32) != 0)) {
+                        bogus_32bit_fault_address(regs, address);
+                        goto intr_or_no_mm;
+                }
+        }
        if (regs->tstate & TSTATE_PRIV) {
                unsigned long tpc = regs->tpc;
@@ -264,12 +302,6 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
        if (in_atomic() || !mm)
                goto intr_or_no_mm;
-        if (test_thread_flag(TIF_32BIT)) {
-                if (!(regs->tstate & TSTATE_PRIV))
-                        regs->tpc &= 0xffffffff;
-                address &= 0xffffffff;
-        }
        if (!down_read_trylock(&mm->mmap_sem)) {
                if ((regs->tstate & TSTATE_PRIV) &&
                    !search_exception_tables(regs->tpc)) {
diff --git a/arch/sparc/oprofile/init.c b/arch/sparc/oprofile/init.c
index d6e170c074fc..d172f86439b1 100644
--- a/arch/sparc/oprofile/init.c
+++ b/arch/sparc/oprofile/init.c
@@ -13,217 +13,57 @@
 #include <linux/init.h>
 
 #ifdef CONFIG_SPARC64
-#include <asm/hypervisor.h>
+#include <linux/notifier.h>
-#include <asm/spitfire.h>
+#include <linux/rcupdate.h>
-#include <asm/cpudata.h>
+#include <linux/kdebug.h>
-#include <asm/irq.h>
+#include <asm/nmi.h>
-static int nmi_enabled;
+static int profile_timer_exceptions_notify(struct notifier_block *self,
+                                           unsigned long val, void *data)
-struct pcr_ops {
-        u64 (*read)(void);
-        void (*write)(u64);
-};
-static const struct pcr_ops *pcr_ops;
-static u64 direct_pcr_read(void)
-{
-        u64 val;
-        read_pcr(val);
-        return val;
-}
-static void direct_pcr_write(u64 val)
-{
-        write_pcr(val);
-}
-static const struct pcr_ops direct_pcr_ops = {
-        .read   = direct_pcr_read,
-        .write  = direct_pcr_write,
-};
-static void n2_pcr_write(u64 val)
 {
-        unsigned long ret;
+        struct die_args *args = (struct die_args *)data;
+        int ret = NOTIFY_DONE;
-        ret = sun4v_niagara2_setperf(HV_N2_PERF_SPARC_CTL, val);
-        if (val != HV_EOK)
-                write_pcr(val);
-}
-static const struct pcr_ops n2_pcr_ops = {
-        .read   = direct_pcr_read,
-        .write  = n2_pcr_write,
-};
-/* In order to commonize as much of the implementation as
- * possible, we use PICH as our counter.  Mostly this is
- * to accomodate Niagara-1 which can only count insn cycles
- * in PICH.
- */
-static u64 picl_value(void)
-{
-        u32 delta = local_cpu_data().clock_tick / HZ;
-        return ((u64)((0 - delta) & 0xffffffff)) << 32;
-}
-#define PCR_PIC_PRIV            0x00000001 /* PIC access is privileged */
-#define PCR_STRACE              0x00000002 /* Trace supervisor events  */
-#define PCR_UTRACE              0x00000004 /* Trace user events        */
-#define PCR_N2_HTRACE           0x00000008 /* Trace hypervisor events  */
-#define PCR_N2_TOE_OV0          0x00000010 /* Trap if PIC 0 overflows  */
-#define PCR_N2_TOE_OV1          0x00000020 /* Trap if PIC 1 overflows  */
-#define PCR_N2_MASK0            0x00003fc0
-#define PCR_N2_MASK0_SHIFT      6
-#define PCR_N2_SL0              0x0003c000
-#define PCR_N2_SL0_SHIFT        14
-#define PCR_N2_OV0              0x00040000
-#define PCR_N2_MASK1            0x07f80000
-#define PCR_N2_MASK1_SHIFT      19
-#define PCR_N2_SL1              0x78000000
-#define PCR_N2_SL1_SHIFT        27
-#define PCR_N2_OV1              0x80000000
-#define PCR_SUN4U_ENABLE        (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE)
-#define PCR_N2_ENABLE           (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE | \
-                                 PCR_N2_TOE_OV1 | \
-                                 (2 << PCR_N2_SL1_SHIFT) | \
-                                 (0xff << PCR_N2_MASK1_SHIFT))
-static u64 pcr_enable = PCR_SUN4U_ENABLE;
-static void nmi_handler(struct pt_regs *regs)
-{
-        pcr_ops->write(PCR_PIC_PRIV);
-        if (nmi_enabled) {
-                oprofile_add_sample(regs, 0);
-                write_pic(picl_value());
-                pcr_ops->write(pcr_enable);
-        }
-}
-/* We count "clock cycle" events in the lower 32-bit PIC.
- * Then configure it such that it overflows every HZ, and thus
- * generates a level 15 interrupt at that frequency.
- */
-static void cpu_nmi_start(void *_unused)
-{
-        pcr_ops->write(PCR_PIC_PRIV);
-        write_pic(picl_value());
-        pcr_ops->write(pcr_enable);
-}
-static void cpu_nmi_stop(void *_unused)
+        switch (val) {
-{
+        case DIE_NMI:
-        pcr_ops->write(PCR_PIC_PRIV);
+                oprofile_add_sample(args->regs, 0);
-}
+                ret = NOTIFY_STOP;
+                break;
-static int nmi_start(void)
+        default:
-{
+                break;
-        int err = register_perfctr_intr(nmi_handler);
-        if (!err) {
-                nmi_enabled = 1;
-                wmb();
-                err = on_each_cpu(cpu_nmi_start, NULL, 1);
-                if (err) {
-                        nmi_enabled = 0;
-                        wmb();
-                        on_each_cpu(cpu_nmi_stop, NULL, 1);
-                        release_perfctr_intr(nmi_handler);
-                }
        }
+        return ret;
-        return err;
-}
-static void nmi_stop(void)
-{
-        nmi_enabled = 0;
-        wmb();
-        on_each_cpu(cpu_nmi_stop, NULL, 1);
-        release_perfctr_intr(nmi_handler);
-        synchronize_sched();
 }
-static unsigned long perf_hsvc_group;
+static struct notifier_block profile_timer_exceptions_nb = {
-static unsigned long perf_hsvc_major;
+        .notifier_call  = profile_timer_exceptions_notify,
-static unsigned long perf_hsvc_minor;
+};
-static int __init register_perf_hsvc(void)
+static int timer_start(void)
 {
-        if (tlb_type == hypervisor) {
+        if (register_die_notifier(&profile_timer_exceptions_nb))
-                switch (sun4v_chip_type) {
+                return 1;
-                case SUN4V_CHIP_NIAGARA1:
+        nmi_adjust_hz(HZ);
-                        perf_hsvc_group = HV_GRP_NIAG_PERF;
-                        break;
-                case SUN4V_CHIP_NIAGARA2:
-                        perf_hsvc_group = HV_GRP_N2_CPU;
-                        break;
-                default:
-                        return -ENODEV;
-                }
-                perf_hsvc_major = 1;
-                perf_hsvc_minor = 0;
-                if (sun4v_hvapi_register(perf_hsvc_group,
-                                         perf_hsvc_major,
-                                         &perf_hsvc_minor)) {
-                        printk("perfmon: Could not register N2 hvapi.\n");
-                        return -ENODEV;
-                }
-        }
        return 0;
 }
-static void unregister_perf_hsvc(void)
+static void timer_stop(void)
 {
-        if (tlb_type != hypervisor)
+        nmi_adjust_hz(1);
-                return;
+        unregister_die_notifier(&profile_timer_exceptions_nb);
-        sun4v_hvapi_unregister(perf_hsvc_group);
+        synchronize_sched();  /* Allow already-started NMIs to complete. */
 }
-static int oprofile_nmi_init(struct oprofile_operations *ops)
+static int op_nmi_timer_init(struct oprofile_operations *ops)
 {
-        int err = register_perf_hsvc();
+        if (!nmi_usable)
-        if (err)
-                return err;
-        switch (tlb_type) {
-        case hypervisor:
-                pcr_ops = &n2_pcr_ops;
-                pcr_enable = PCR_N2_ENABLE;
-                break;
-        case cheetah:
-        case cheetah_plus:
-                pcr_ops = &direct_pcr_ops;
-                break;
-        default:
                return -ENODEV;
-        }
-        ops->create_files = NULL;
+        ops->start = timer_start;
-        ops->setup = NULL;
+        ops->stop = timer_stop;
-        ops->shutdown = NULL;
-        ops->start = nmi_start;
-        ops->stop = nmi_stop;
        ops->cpu_type = "timer";
+        printk(KERN_INFO "oprofile: Using perfctr NMI timer interrupt.\n");
-        printk(KERN_INFO "oprofile: Using perfctr based NMI timer interrupt.\n");
        return 0;
 }
 #endif
@@ -233,7 +73,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
        int ret = -ENODEV;
 #ifdef CONFIG_SPARC64
-        ret = oprofile_nmi_init(ops);
+        ret = op_nmi_timer_init(ops);
        if (!ret)
                return ret;
 #endif
@@ -241,10 +81,6 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
        return ret;
 }
 void oprofile_arch_exit(void)
 {
-#ifdef CONFIG_SPARC64
-        unregister_perf_hsvc();
-#endif
 }
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 77bba4c083cb..a603bbf9b1b7 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -61,9 +61,14 @@
 #define EM_MSG_LED_VALUE_ON           0x00010000
 static int ahci_skip_host_reset;
+static int ahci_ignore_sss;
 module_param_named(skip_host_reset, ahci_skip_host_reset, int, 0444);
 MODULE_PARM_DESC(skip_host_reset, "skip global host reset (0=don't skip, 1=skip)");
+module_param_named(ignore_sss, ahci_ignore_sss, int, 0444);
+MODULE_PARM_DESC(ignore_sss, "Ignore staggered spinup flag (0=don't ignore, 1=ignore)");
 static int ahci_enable_alpm(struct ata_port *ap,
                enum link_pm policy);
 static void ahci_disable_alpm(struct ata_port *ap);
@@ -2692,8 +2697,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
        host->iomap = pcim_iomap_table(pdev);
        host->private_data = hpriv;
-        if (!(hpriv->cap & HOST_CAP_SSS))
+        if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
                host->flags |= ATA_HOST_PARALLEL_SCAN;
+        else
+                printk(KERN_INFO "ahci: SSS flag set, parallel bus scan disabled\n");
        if (pi.flags & ATA_FLAG_EM)
                ahci_reset_em(host);
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 88c242856dae..9fbf0595f3d4 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -164,6 +164,11 @@ MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
+static bool ata_sstatus_online(u32 sstatus)
+{
+        return (sstatus & 0xf) == 0x3;
+}
 /**
 *      ata_link_next - link iteration helper
 *      @link: the previous link, NULL to start
@@ -1015,18 +1020,6 @@ static const char *sata_spd_string(unsigned int spd)
        return spd_str[spd - 1];
 }
-void ata_dev_disable(struct ata_device *dev)
-{
-        if (ata_dev_enabled(dev)) {
-                if (ata_msg_drv(dev->link->ap))
-                        ata_dev_printk(dev, KERN_WARNING, "disabled\n");
-                ata_acpi_on_disable(dev);
-                ata_down_xfermask_limit(dev, ATA_DNXFER_FORCE_PIO0 |
-                                             ATA_DNXFER_QUIET);
-                dev->class++;
-        }
-}
 static int ata_dev_set_dipm(struct ata_device *dev, enum link_pm policy)
 {
        struct ata_link *link = dev->link;
@@ -2239,6 +2232,40 @@ retry:
        return rc;
 }
+static int ata_do_link_spd_horkage(struct ata_device *dev)
+{
+        struct ata_link *plink = ata_dev_phys_link(dev);
+        u32 target, target_limit;
+        if (!sata_scr_valid(plink))
+                return 0;
+        if (dev->horkage & ATA_HORKAGE_1_5_GBPS)
+                target = 1;
+        else
+                return 0;
+        target_limit = (1 << target) - 1;
+        /* if already on stricter limit, no need to push further */
+        if (plink->sata_spd_limit <= target_limit)
+                return 0;
+        plink->sata_spd_limit = target_limit;
+        /* Request another EH round by returning -EAGAIN if link is
+         * going faster than the target speed.  Forward progress is
+         * guaranteed by setting sata_spd_limit to target_limit above.
+         */
+        if (plink->sata_spd > target) {
+                ata_dev_printk(dev, KERN_INFO,
+                               "applying link speed limit horkage to %s\n",
+                               sata_spd_string(target));
+                return -EAGAIN;
+        }
+        return 0;
+}
 static inline u8 ata_dev_knobble(struct ata_device *dev)
 {
        struct ata_port *ap = dev->link->ap;
@@ -2329,6 +2356,10 @@ int ata_dev_configure(struct ata_device *dev)
                return 0;
        }
+        rc = ata_do_link_spd_horkage(dev);
+        if (rc)
+                return rc;
        /* let ACPI work its magic */
        rc = ata_acpi_on_devcfg(dev);
        if (rc)
@@ -2784,7 +2815,7 @@ int ata_bus_probe(struct ata_port *ap)
                        /* This is the last chance, better to slow
                         * down than lose it.
                         */
-                        sata_down_spd_limit(&ap->link);
+                        sata_down_spd_limit(&ap->link, 0);
                        ata_down_xfermask_limit(dev, ATA_DNXFER_PIO);
                }
        }
@@ -2880,21 +2911,27 @@ void ata_port_disable(struct ata_port *ap)
 /**
 *      sata_down_spd_limit - adjust SATA spd limit downward
 *      @link: Link to adjust SATA spd limit for
+ *      @spd_limit: Additional limit
 *
 *      Adjust SATA spd limit of @link downward.  Note that this
 *      function only adjusts the limit.  The change must be applied
 *      using sata_set_spd().
 *
+ *      If @spd_limit is non-zero, the speed is limited to equal to or
+ *      lower than @spd_limit if such speed is supported.  If
+ *      @spd_limit is slower than any supported speed, only the lowest
+ *      supported speed is allowed.
+ *
 *      LOCKING:
 *      Inherited from caller.
 *
 *      RETURNS:
 *      0 on success, negative errno on failure
 */
-int sata_down_spd_limit(struct ata_link *link)
+int sata_down_spd_limit(struct ata_link *link, u32 spd_limit)
 {
        u32 sstatus, spd, mask;
-        int rc, highbit;
+        int rc, bit;
        if (!sata_scr_valid(link))
                return -EOPNOTSUPP;
@@ -2903,7 +2940,7 @@ int sata_down_spd_limit(struct ata_link *link)
         * If not, use cached value in link->sata_spd.
         */
        rc = sata_scr_read(link, SCR_STATUS, &sstatus);
-        if (rc == 0)
+        if (rc == 0 && ata_sstatus_online(sstatus))
                spd = (sstatus >> 4) & 0xf;
        else
                spd = link->sata_spd;
@@ -2913,8 +2950,8 @@ int sata_down_spd_limit(struct ata_link *link)
                return -EINVAL;
        /* unconditionally mask off the highest bit */
-        highbit = fls(mask) - 1;
+        bit = fls(mask) - 1;
-        mask &= ~(1 << highbit);
+        mask &= ~(1 << bit);
        /* Mask off all speeds higher than or equal to the current
         * one.  Force 1.5Gbps if current SPD is not available.
@@ -2928,6 +2965,15 @@ int sata_down_spd_limit(struct ata_link *link)
        if (!mask)
                return -EINVAL;
+        if (spd_limit) {
+                if (mask & ((1 << spd_limit) - 1))
+                        mask &= (1 << spd_limit) - 1;
+                else {
+                        bit = ffs(mask) - 1;
+                        mask = 1 << bit;
+                }
+        }
        link->sata_spd_limit = mask;
        ata_link_printk(link, KERN_WARNING, "limiting SATA link speed to %s\n",
@@ -4215,6 +4261,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
        /* Devices that do not need bridging limits applied */
        { "MTRON MSP-SATA*",            NULL,   ATA_HORKAGE_BRIDGE_OK, },
+        /* Devices which aren't very happy with higher link speeds */
+        { "WD My Book",                 NULL,   ATA_HORKAGE_1_5_GBPS, },
        /* End Marker */
        { }
 };
@@ -4709,8 +4758,7 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words)
 /**
 *      ata_qc_new - Request an available ATA command, for queueing
- *      @ap: Port associated with device @dev
+ *      @ap: target port
- *      @dev: Device from whom we request an available command structure
 *
 *      LOCKING:
 *      None.
@@ -5175,7 +5223,7 @@ bool ata_phys_link_online(struct ata_link *link)
        u32 sstatus;
        if (sata_scr_read(link, SCR_STATUS, &sstatus) == 0 &&
-            (sstatus & 0xf) == 0x3)
+            ata_sstatus_online(sstatus))
                return true;
        return false;
 }
@@ -5199,7 +5247,7 @@ bool ata_phys_link_offline(struct ata_link *link)
        u32 sstatus;
        if (sata_scr_read(link, SCR_STATUS, &sstatus) == 0 &&
-            (sstatus & 0xf) != 0x3)
+            !ata_sstatus_online(sstatus))
                return true;
        return false;
 }
@@ -5412,8 +5460,8 @@ void ata_dev_init(struct ata_device *dev)
        dev->horkage = 0;
        spin_unlock_irqrestore(ap->lock, flags);
-        memset((void *)dev + ATA_DEVICE_CLEAR_OFFSET, 0,
+        memset((void *)dev + ATA_DEVICE_CLEAR_BEGIN, 0,
-               sizeof(*dev) - ATA_DEVICE_CLEAR_OFFSET);
+               ATA_DEVICE_CLEAR_END - ATA_DEVICE_CLEAR_BEGIN);
        dev->pio_mask = UINT_MAX;
        dev->mwdma_mask = UINT_MAX;
        dev->udma_mask = UINT_MAX;
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 8147a8386370..ce2ef0475339 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -82,6 +82,10 @@ enum {
        ATA_EH_FASTDRAIN_INTERVAL       =  3000,
        ATA_EH_UA_TRIES                 = 5,
+        /* probe speed down parameters, see ata_eh_schedule_probe() */
+        ATA_EH_PROBE_TRIAL_INTERVAL     = 60000,        /* 1 min */
+        ATA_EH_PROBE_TRIALS             = 2,
 };
 /* The following table determines how we sequence resets.  Each entry
@@ -1176,6 +1180,32 @@ void ata_eh_qc_retry(struct ata_queued_cmd *qc)
 }
 /**
+ *      ata_dev_disable - disable ATA device
+ *      @dev: ATA device to disable
+ *
+ *      Disable @dev.
+ *
+ *      Locking:
+ *      EH context.
+ */
+void ata_dev_disable(struct ata_device *dev)
+{
+        if (!ata_dev_enabled(dev))
+                return;
+        if (ata_msg_drv(dev->link->ap))
+                ata_dev_printk(dev, KERN_WARNING, "disabled\n");
+        ata_acpi_on_disable(dev);
+        ata_down_xfermask_limit(dev, ATA_DNXFER_FORCE_PIO0 | ATA_DNXFER_QUIET);
+        dev->class++;
+        /* From now till the next successful probe, ering is used to
+         * track probe failures.  Clear accumulated device error info.
+         */
+        ata_ering_clear(&dev->ering);
+}
+/**
 *      ata_eh_detach_dev - detach ATA device
 *      @dev: ATA device to detach
 *
@@ -1849,7 +1879,7 @@ static unsigned int ata_eh_speed_down(struct ata_device *dev,
        /* speed down? */
        if (verdict & ATA_EH_SPDN_SPEED_DOWN) {
                /* speed down SATA link speed if possible */
-                if (sata_down_spd_limit(link) == 0) {
+                if (sata_down_spd_limit(link, 0) == 0) {
                        action |= ATA_EH_RESET;
                        goto done;
                }
@@ -2601,11 +2631,11 @@ int ata_eh_reset(struct ata_link *link, int classify,
        }
        if (try == max_tries - 1) {
-                sata_down_spd_limit(link);
+                sata_down_spd_limit(link, 0);
                if (slave)
-                        sata_down_spd_limit(slave);
+                        sata_down_spd_limit(slave, 0);
        } else if (rc == -EPIPE)
-                sata_down_spd_limit(failed_link);
+                sata_down_spd_limit(failed_link, 0);
        if (hardreset)
                reset = hardreset;
@@ -2744,6 +2774,8 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
                                                     readid_flags, dev->id);
                        switch (rc) {
                        case 0:
+                                /* clear error info accumulated during probe */
+                                ata_ering_clear(&dev->ering);
                                new_mask |= 1 << dev->devno;
                                break;
                        case -ENOENT:
@@ -2947,9 +2979,24 @@ static int ata_eh_skip_recovery(struct ata_link *link)
        return 1;
 }
+static int ata_count_probe_trials_cb(struct ata_ering_entry *ent, void *void_arg)
+{
+        u64 interval = msecs_to_jiffies(ATA_EH_PROBE_TRIAL_INTERVAL);
+        u64 now = get_jiffies_64();
+        int *trials = void_arg;
+        if (ent->timestamp < now - min(now, interval))
+                return -1;
+        (*trials)++;
+        return 0;
+}
 static int ata_eh_schedule_probe(struct ata_device *dev)
 {
        struct ata_eh_context *ehc = &dev->link->eh_context;
+        struct ata_link *link = ata_dev_phys_link(dev);
+        int trials = 0;
        if (!(ehc->i.probe_mask & (1 << dev->devno)) ||
            (ehc->did_probe_mask & (1 << dev->devno)))
@@ -2962,6 +3009,25 @@ static int ata_eh_schedule_probe(struct ata_device *dev)
        ehc->saved_xfer_mode[dev->devno] = 0;
        ehc->saved_ncq_enabled &= ~(1 << dev->devno);
+        /* Record and count probe trials on the ering.  The specific
+         * error mask used is irrelevant.  Because a successful device
+         * detection clears the ering, this count accumulates only if
+         * there are consecutive failed probes.
+         *
+         * If the count is equal to or higher than ATA_EH_PROBE_TRIALS
+         * in the last ATA_EH_PROBE_TRIAL_INTERVAL, link speed is
+         * forced to 1.5Gbps.
+         *
+         * This is to work around cases where failed link speed
+         * negotiation results in device misdetection leading to
+         * infinite DEVXCHG or PHRDY CHG events.
+         */
+        ata_ering_record(&dev->ering, 0, AC_ERR_OTHER);
+        ata_ering_map(&dev->ering, ata_count_probe_trials_cb, &trials);
+        if (trials > ATA_EH_PROBE_TRIALS)
+                sata_down_spd_limit(link, 1);
        return 1;
 }
@@ -2969,7 +3035,11 @@ static int ata_eh_handle_dev_fail(struct ata_device *dev, int err)
 {
        struct ata_eh_context *ehc = &dev->link->eh_context;
-        ehc->tries[dev->devno]--;
+        /* -EAGAIN from EH routine indicates retry without prejudice.
+         * The requester is responsible for ensuring forward progress.
+         */
+        if (err != -EAGAIN)
+                ehc->tries[dev->devno]--;
        switch (err) {
        case -ENODEV:
@@ -2979,12 +3049,13 @@ static int ata_eh_handle_dev_fail(struct ata_device *dev, int err)
                /* give it just one more chance */
                ehc->tries[dev->devno] = min(ehc->tries[dev->devno], 1);
        case -EIO:
-                if (ehc->tries[dev->devno] == 1 && dev->pio_mode > XFER_PIO_0) {
+                if (ehc->tries[dev->devno] == 1) {
                        /* This is the last chance, better to slow
                         * down than lose it.
                         */
-                        sata_down_spd_limit(ata_dev_phys_link(dev));
+                        sata_down_spd_limit(ata_dev_phys_link(dev), 0);
-                        ata_down_xfermask_limit(dev, ATA_DNXFER_PIO);
+                        if (dev->pio_mode > XFER_PIO_0)
+                                ata_down_xfermask_limit(dev, ATA_DNXFER_PIO);
                }
        }
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index 98ca07a2db87..619f2c33950e 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -729,7 +729,7 @@ static int sata_pmp_eh_recover_pmp(struct ata_port *ap,
                if (tries) {
                        /* consecutive revalidation failures? speed down */
                        if (reval_failed)
-                                sata_down_spd_limit(link);
+                                sata_down_spd_limit(link, 0);
                        else
                                reval_failed = 1;
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 3c4c5ae277ba..b9747fa59e54 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -415,6 +415,7 @@ int ata_std_bios_param(struct scsi_device *sdev, struct block_device *bdev,
 /**
 *      ata_get_identity - Handler for HDIO_GET_IDENTITY ioctl
+ *      @ap: target port
 *      @sdev: SCSI device to get identify data for
 *      @arg: User buffer area for identify data
 *
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index fe2839e58774..cea8014cd87e 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -79,7 +79,6 @@ extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
                           u64 block, u32 n_block, unsigned int tf_flags,
                           unsigned int tag);
 extern u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev);
-extern void ata_dev_disable(struct ata_device *dev);
 extern void ata_pio_queue_task(struct ata_port *ap, void *data,
                               unsigned long delay);
 extern void ata_port_flush_task(struct ata_port *ap);
@@ -100,7 +99,7 @@ extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags);
 extern int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
                              unsigned int readid_flags);
 extern int ata_dev_configure(struct ata_device *dev);
-extern int sata_down_spd_limit(struct ata_link *link);
+extern int sata_down_spd_limit(struct ata_link *link, u32 spd_limit);
 extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
 extern void ata_sg_clean(struct ata_queued_cmd *qc);
 extern void ata_qc_free(struct ata_queued_cmd *qc);
@@ -160,6 +159,7 @@ extern void ata_scsi_error(struct Scsi_Host *host);
 extern void ata_port_wait_eh(struct ata_port *ap);
 extern void ata_eh_fastdrain_timerfn(unsigned long arg);
 extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
+extern void ata_dev_disable(struct ata_device *dev);
 extern void ata_eh_detach_dev(struct ata_device *dev);
 extern void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
                               unsigned int action);
diff --git a/drivers/ata/pata_qdi.c b/drivers/ata/pata_qdi.c
index 3080f371222c..f1b26f7c8e4d 100644
--- a/drivers/ata/pata_qdi.c
+++ b/drivers/ata/pata_qdi.c
@@ -12,7 +12,7 @@
 *
 * Probe code based on drivers/ide/legacy/qd65xx.c
 * Rewritten from the work of Colten Edwards <pje120@cs.usask.ca> by
- * Samuel Thibault <samuel.thibault@fnac.net>
+ * Samuel Thibault <samuel.thibault@ens-lyon.org>
 */
 #include <linux/kernel.h>
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index f2d8a020ea53..4ae1a4138b47 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -663,8 +663,8 @@ static const struct pci_device_id mv_pci_tbl[] = {
        { PCI_VDEVICE(MARVELL, 0x5081), chip_508x },
        /* RocketRAID 1720/174x have different identifiers */
        { PCI_VDEVICE(TTI, 0x1720), chip_6042 },
-        { PCI_VDEVICE(TTI, 0x1740), chip_508x },
+        { PCI_VDEVICE(TTI, 0x1740), chip_6042 },
-        { PCI_VDEVICE(TTI, 0x1742), chip_508x },
+        { PCI_VDEVICE(TTI, 0x1742), chip_6042 },
        { PCI_VDEVICE(MARVELL, 0x6040), chip_604x },
        { PCI_VDEVICE(MARVELL, 0x6041), chip_604x },
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index c49ad0e61b6f..444af0415ca1 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -436,11 +436,16 @@ static struct ata_port_operations nv_nf2_ops = {
        .hardreset              = nv_noclassify_hardreset,
 };
-/* CK804 finally gets hardreset right */
+/* For initial probing after boot and hot plugging, hardreset mostly
+ * works fine on CK804 but curiously, reprobing on the initial port by
+ * rescanning or rmmod/insmod fails to acquire the initial D2H Reg FIS
+ * in somewhat undeterministic way.  Use noclassify hardreset.
+ */
 static struct ata_port_operations nv_ck804_ops = {
        .inherits               = &nv_common_ops,
        .freeze                 = nv_ck804_freeze,
        .thaw                   = nv_ck804_thaw,
+        .hardreset              = nv_noclassify_hardreset,
        .host_stop              = nv_ck804_host_stop,
 };
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index 9f029595f454..d0091609e210 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -324,7 +324,7 @@ static void sil_fill_sg(struct ata_queued_cmd *qc)
                prd->addr = cpu_to_le32(addr);
                prd->flags_len = cpu_to_le32(sg_len);
-                VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", pi, addr, sg_len);
+                VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", si, addr, sg_len);
                last_prd = prd;
                prd++;
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index f5be8081cd81..735bbe2be51a 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -761,7 +761,7 @@ source "drivers/char/hw_random/Kconfig"
 config NVRAM
        tristate "/dev/nvram support"
-        depends on ATARI || X86 || ARM || GENERIC_NVRAM
+        depends on ATARI || X86 || (ARM && RTC_DRV_CMOS) || GENERIC_NVRAM
        ---help---
          If you say Y here and create a character special file /dev/nvram
          with major number 10 and minor number 144 using mknod ("man mknod"),
diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c
index 55433849bfa6..33bd75347518 100644
--- a/drivers/dca/dca-core.c
+++ b/drivers/dca/dca-core.c
@@ -28,7 +28,7 @@
 #include <linux/device.h>
 #include <linux/dca.h>
-#define DCA_VERSION "1.4"
+#define DCA_VERSION "1.8"
 MODULE_VERSION(DCA_VERSION);
 MODULE_LICENSE("GPL");
@@ -60,16 +60,17 @@ int dca_add_requester(struct device *dev)
 {
        struct dca_provider *dca;
        int err, slot = -ENODEV;
+        unsigned long flags;
        if (!dev)
                return -EFAULT;
-        spin_lock(&dca_lock);
+        spin_lock_irqsave(&dca_lock, flags);
        /* check if the requester has not been added already */
        dca = dca_find_provider_by_dev(dev);
        if (dca) {
-                spin_unlock(&dca_lock);
+                spin_unlock_irqrestore(&dca_lock, flags);
                return -EEXIST;
        }
@@ -78,19 +79,21 @@ int dca_add_requester(struct device *dev)
                if (slot >= 0)
                        break;
        }
-        if (slot < 0) {
-                spin_unlock(&dca_lock);
+        spin_unlock_irqrestore(&dca_lock, flags);
+        if (slot < 0)
                return slot;
-        }
        err = dca_sysfs_add_req(dca, dev, slot);
        if (err) {
-                dca->ops->remove_requester(dca, dev);
+                spin_lock_irqsave(&dca_lock, flags);
-                spin_unlock(&dca_lock);
+                if (dca == dca_find_provider_by_dev(dev))
+                        dca->ops->remove_requester(dca, dev);
+                spin_unlock_irqrestore(&dca_lock, flags);
                return err;
        }
-        spin_unlock(&dca_lock);
        return 0;
 }
 EXPORT_SYMBOL_GPL(dca_add_requester);
@@ -103,25 +106,25 @@ int dca_remove_requester(struct device *dev)
 {
        struct dca_provider *dca;
        int slot;
+        unsigned long flags;
        if (!dev)
                return -EFAULT;
-        spin_lock(&dca_lock);
+        spin_lock_irqsave(&dca_lock, flags);
        dca = dca_find_provider_by_dev(dev);
        if (!dca) {
-                spin_unlock(&dca_lock);
+                spin_unlock_irqrestore(&dca_lock, flags);
                return -ENODEV;
        }
        slot = dca->ops->remove_requester(dca, dev);
-        if (slot < 0) {
+        spin_unlock_irqrestore(&dca_lock, flags);
-                spin_unlock(&dca_lock);
+        if (slot < 0)
                return slot;
-        }
        dca_sysfs_remove_req(dca, slot);
-        spin_unlock(&dca_lock);
        return 0;
 }
 EXPORT_SYMBOL_GPL(dca_remove_requester);
@@ -135,17 +138,18 @@ u8 dca_common_get_tag(struct device *dev, int cpu)
 {
        struct dca_provider *dca;
        u8 tag;
+        unsigned long flags;
-        spin_lock(&dca_lock);
+        spin_lock_irqsave(&dca_lock, flags);
        dca = dca_find_provider_by_dev(dev);
        if (!dca) {
-                spin_unlock(&dca_lock);
+                spin_unlock_irqrestore(&dca_lock, flags);
                return -ENODEV;
        }
        tag = dca->ops->get_tag(dca, dev, cpu);
-        spin_unlock(&dca_lock);
+        spin_unlock_irqrestore(&dca_lock, flags);
        return tag;
 }
@@ -217,11 +221,16 @@ static BLOCKING_NOTIFIER_HEAD(dca_provider_chain);
 int register_dca_provider(struct dca_provider *dca, struct device *dev)
 {
        int err;
+        unsigned long flags;
        err = dca_sysfs_add_provider(dca, dev);
        if (err)
                return err;
+        spin_lock_irqsave(&dca_lock, flags);
        list_add(&dca->node, &dca_providers);
+        spin_unlock_irqrestore(&dca_lock, flags);
        blocking_notifier_call_chain(&dca_provider_chain,
                                     DCA_PROVIDER_ADD, NULL);
        return 0;
@@ -234,9 +243,15 @@ EXPORT_SYMBOL_GPL(register_dca_provider);
 */
 void unregister_dca_provider(struct dca_provider *dca)
 {
+        unsigned long flags;
        blocking_notifier_call_chain(&dca_provider_chain,
                                     DCA_PROVIDER_REMOVE, NULL);
+        spin_lock_irqsave(&dca_lock, flags);
        list_del(&dca->node);
+        spin_unlock_irqrestore(&dca_lock, flags);
        dca_sysfs_remove_provider(dca);
 }
 EXPORT_SYMBOL_GPL(unregister_dca_provider);
diff --git a/drivers/ide/qd65xx.c b/drivers/ide/qd65xx.c
index 5b2e3af43c4b..08c4fa35e9b1 100644
--- a/drivers/ide/qd65xx.c
+++ b/drivers/ide/qd65xx.c
@@ -16,7 +16,7 @@
 /*
 * Rewritten from the work of Colten Edwards <pje120@cs.usask.ca> by
- * Samuel Thibault <samuel.thibault@fnac.net>
+ * Samuel Thibault <samuel.thibault@ens-lyon.org>
 */
 #include <linux/module.h>
diff --git a/drivers/ide/qd65xx.h b/drivers/ide/qd65xx.h
index 6636f9665d16..d7e67a1a1dcc 100644
--- a/drivers/ide/qd65xx.h
+++ b/drivers/ide/qd65xx.h
@@ -4,7 +4,7 @@
 /*
 * Authors:     Petr Soucek <petr@ryston.cz>
- *              Samuel Thibault <samuel.thibault@fnac.net>
+ *              Samuel Thibault <samuel.thibault@ens-lyon.org>
 */
 /* truncates a in [b,c] */
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 24508e28e3fb..ea9488e7ad6d 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -626,7 +626,6 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
        }
        if (client->irq) {
-                set_irq_handler(client->irq, handle_level_irq);
                ret = request_irq(client->irq, pcf50633_irq,
                                IRQF_TRIGGER_LOW, "pcf50633", pcf);
diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c
index 7957f525b2f4..6faefcffcb53 100644
--- a/drivers/misc/sgi-xp/xpnet.c
+++ b/drivers/misc/sgi-xp/xpnet.c
@@ -3,7 +3,7 @@
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
- * Copyright (C) 1999-2008 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 1999-2009 Silicon Graphics, Inc. All rights reserved.
 */
 /*
@@ -551,6 +551,7 @@ xpnet_init(void)
        netif_carrier_off(xpnet_device);
+        xpnet_device->netdev_ops = &xpnet_netdev_ops;
        xpnet_device->mtu = XPNET_DEF_MTU;
        /*
diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index 7df6bbf0e4d9..6f6a0f6dafd6 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -453,7 +453,7 @@ static struct platform_driver sa1100_mtd_driver = {
        .resume         = sa1100_mtd_resume,
        .shutdown       = sa1100_mtd_shutdown,
        .driver         = {
-                .name   = "flash",
+                .name   = "sa1100-mtd",
                .owner  = THIS_MODULE,
        },
 };
@@ -474,4 +474,4 @@ module_exit(sa1100_mtd_exit);
 MODULE_AUTHOR("Nicolas Pitre");
 MODULE_DESCRIPTION("SA1100 CFI map driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:flash");
+MODULE_ALIAS("platform:sa1100-mtd");
diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c
index d15d8b79d8e5..54b52e5b1821 100644
--- a/drivers/net/arm/etherh.c
+++ b/drivers/net/arm/etherh.c
@@ -646,7 +646,7 @@ static const struct net_device_ops etherh_netdev_ops = {
        .ndo_get_stats          = ei_get_stats,
        .ndo_set_multicast_list = ei_set_multicast_list,
        .ndo_validate_addr      = eth_validate_addr,
-        .ndo_set_mac_address    = eth_set_mac_addr,
+        .ndo_set_mac_address    = eth_mac_addr,
        .ndo_change_mtu         = eth_change_mtu,
 #ifdef CONFIG_NET_POLL_CONTROLLER
        .ndo_poll_controller    = ei_poll,
diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 840b3d1a22f5..bbbc3bb08aa5 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -806,7 +806,7 @@ static int cas_reset_mii_phy(struct cas *cp)
        cas_phy_write(cp, MII_BMCR, BMCR_RESET);
        udelay(100);
-        while (limit--) {
+        while (--limit) {
                val = cas_phy_read(cp, MII_BMCR);
                if ((val & BMCR_RESET) == 0)
                        break;
@@ -979,7 +979,7 @@ static void cas_phy_init(struct cas *cp)
                writel(val, cp->regs + REG_PCS_MII_CTRL);
                limit = STOP_TRIES;
-                while (limit-- > 0) {
+                while (--limit > 0) {
                        udelay(10);
                        if ((readl(cp->regs + REG_PCS_MII_CTRL) &
                             PCS_MII_RESET) == 0)
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index c986978ce761..6bd63cc67b3e 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -940,7 +940,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
                err = pci_enable_device(pdev);
        } else {
                bars = pci_select_bars(pdev, IORESOURCE_MEM);
-                err = pci_enable_device(pdev);
+                err = pci_enable_device_mem(pdev);
        }
        if (err)
                return err;
diff --git a/drivers/net/ibm_newemac/phy.c b/drivers/net/ibm_newemac/phy.c
index c40cd8df2212..ac9d964e59ec 100644
--- a/drivers/net/ibm_newemac/phy.c
+++ b/drivers/net/ibm_newemac/phy.c
@@ -60,7 +60,7 @@ int emac_mii_reset_phy(struct mii_phy *phy)
        udelay(300);
-        while (limit--) {
+        while (--limit) {
                val = phy_read(phy, MII_BMCR);
                if (val >= 0 && (val & BMCR_RESET) == 0)
                        break;
@@ -84,7 +84,7 @@ int emac_mii_reset_gpcs(struct mii_phy *phy)
        udelay(300);
-        while (limit--) {
+        while (--limit) {
                val = gpcs_phy_read(phy, MII_BMCR);
                if (val >= 0 && (val & BMCR_RESET) == 0)
                        break;
diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c
index c38ed777f0a8..a6999403f37b 100644
--- a/drivers/net/pcmcia/pcnet_cs.c
+++ b/drivers/net/pcmcia/pcnet_cs.c
@@ -586,7 +586,7 @@ static int pcnet_config(struct pcmcia_device *link)
    }
    if ((link->conf.ConfigBase == 0x03c0)
-        && (link->manf_id == 0x149) && (link->card_id = 0xc1ab)) {
+        && (link->manf_id == 0x149) && (link->card_id == 0xc1ab)) {
        printk(KERN_INFO "pcnet_cs: this is an AX88190 card!\n");
        printk(KERN_INFO "pcnet_cs: use axnet_cs instead.\n");
        goto failed;
diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index c1dadadfab18..e6fdce9206cc 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -787,12 +787,12 @@ struct mbox_params {
 struct flash_params {
        u8 dev_id_str[4];
-        u16 size;
+        __le16 size;
-        u16 csum;
+        __le16 csum;
-        u16 ver;
+        __le16 ver;
-        u16 sub_dev_id;
+        __le16 sub_dev_id;
        u8 mac_addr[6];
-        u16 res;
+        __le16 res;
 };
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 45421c8b6010..3d1d7b6e55aa 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -641,7 +641,7 @@ static void ql_enable_all_completion_interrupts(struct ql_adapter *qdev)
 }
-static int ql_read_flash_word(struct ql_adapter *qdev, int offset, u32 *data)
+static int ql_read_flash_word(struct ql_adapter *qdev, int offset, __le32 *data)
 {
        int status = 0;
        /* wait for reg to come ready */
@@ -656,8 +656,11 @@ static int ql_read_flash_word(struct ql_adapter *qdev, int offset, u32 *data)
                        FLASH_ADDR, FLASH_ADDR_RDY, FLASH_ADDR_ERR);
        if (status)
                goto exit;
-        /* get the data */
+         /* This data is stored on flash as an array of
-        *data = ql_read32(qdev, FLASH_DATA);
+         * __le32.  Since ql_read32() returns cpu endian
+         * we need to swap it back.
+         */
+        *data = cpu_to_le32(ql_read32(qdev, FLASH_DATA));
 exit:
        return status;
 }
@@ -666,13 +669,20 @@ static int ql_get_flash_params(struct ql_adapter *qdev)
 {
        int i;
        int status;
-        u32 *p = (u32 *)&qdev->flash;
+        __le32 *p = (__le32 *)&qdev->flash;
+        u32 offset = 0;
+        /* Second function's parameters follow the first
+         * function's.
+         */
+        if (qdev->func)
+                offset = sizeof(qdev->flash) / sizeof(u32);
        if (ql_sem_spinlock(qdev, SEM_FLASH_MASK))
                return -ETIMEDOUT;
        for (i = 0; i < sizeof(qdev->flash) / sizeof(u32); i++, p++) {
-                status = ql_read_flash_word(qdev, i, p);
+                status = ql_read_flash_word(qdev, i+offset, p);
                if (status) {
                        QPRINTK(qdev, IFUP, ERR, "Error reading flash.\n");
                        goto exit;
@@ -3826,7 +3836,7 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state)
 {
        struct net_device *ndev = pci_get_drvdata(pdev);
        struct ql_adapter *qdev = netdev_priv(ndev);
-        int err;
+        int err, i;
        netif_device_detach(ndev);
@@ -3836,6 +3846,9 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state)
                        return err;
        }
+        for (i = qdev->rss_ring_first_cq_id; i < qdev->rx_ring_count; i++)
+                netif_napi_del(&qdev->rx_ring[i].napi);
        err = pci_save_state(pdev);
        if (err)
                return err;
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index bf3aa2a1effe..223cde0d43be 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -220,9 +220,9 @@ static void smc911x_reset(struct net_device *dev)
        /* make sure EEPROM has finished loading before setting GPIO_CFG */
        timeout=1000;
-        while ( timeout-- && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_)) {
+        while (--timeout && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_))
                udelay(10);
-        }
        if (timeout == 0){
                PRINTK("%s: smc911x_reset timeout waiting for EEPROM busy\n", dev->name);
                return;
diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c
index d801900a5036..a1e4b3895b33 100644
--- a/drivers/net/smsc9420.c
+++ b/drivers/net/smsc9420.c
@@ -498,7 +498,7 @@ static void smsc9420_check_mac_address(struct net_device *dev)
 static void smsc9420_stop_tx(struct smsc9420_pdata *pd)
 {
        u32 dmac_control, mac_cr, dma_intr_ena;
-        int timeOut = 1000;
+        int timeout = 1000;
        /* disable TX DMAC */
        dmac_control = smsc9420_reg_read(pd, DMAC_CONTROL);
@@ -506,13 +506,13 @@ static void smsc9420_stop_tx(struct smsc9420_pdata *pd)
        smsc9420_reg_write(pd, DMAC_CONTROL, dmac_control);
        /* Wait max 10ms for transmit process to stop */
-        while (timeOut--) {
+        while (--timeout) {
                if (smsc9420_reg_read(pd, DMAC_STATUS) & DMAC_STS_TS_)
                        break;
                udelay(10);
        }
-        if (!timeOut)
+        if (!timeout)
                smsc_warn(IFDOWN, "TX DMAC failed to stop");
        /* ACK Tx DMAC stop bit */
@@ -596,7 +596,7 @@ static void smsc9420_free_rx_ring(struct smsc9420_pdata *pd)
 static void smsc9420_stop_rx(struct smsc9420_pdata *pd)
 {
-        int timeOut = 1000;
+        int timeout = 1000;
        u32 mac_cr, dmac_control, dma_intr_ena;
        /* mask RX DMAC interrupts */
@@ -617,13 +617,13 @@ static void smsc9420_stop_rx(struct smsc9420_pdata *pd)
        smsc9420_pci_flush_write(pd);
        /* wait up to 10ms for receive to stop */
-        while (timeOut--) {
+        while (--timeout) {
                if (smsc9420_reg_read(pd, DMAC_STATUS) & DMAC_STS_RS_)
                        break;
                udelay(10);
        }
-        if (!timeOut)
+        if (!timeout)
                smsc_warn(IFDOWN, "RX DMAC did not stop! timeout.");
        /* ACK the Rx DMAC stop bit */
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 86c765d83de1..b17efa9cc530 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -148,7 +148,7 @@ static u16 __phy_read(struct gem *gp, int phy_addr, int reg)
        cmd |= (MIF_FRAME_TAMSB);
        writel(cmd, gp->regs + MIF_FRAME);
-        while (limit--) {
+        while (--limit) {
                cmd = readl(gp->regs + MIF_FRAME);
                if (cmd & MIF_FRAME_TALSB)
                        break;
diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c
index 61843fd57525..78f8cee5fd74 100644
--- a/drivers/net/sungem_phy.c
+++ b/drivers/net/sungem_phy.c
@@ -79,7 +79,7 @@ static int reset_one_mii_phy(struct mii_phy* phy, int phy_id)
        udelay(100);
-        while (limit--) {
+        while (--limit) {
                val = __phy_read(phy, phy_id, MII_BMCR);
                if ((val & BMCR_RESET) == 0)
                        break;
diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c
index 6e8f377355fe..fe0c3f244562 100644
--- a/drivers/net/sunqe.c
+++ b/drivers/net/sunqe.c
@@ -227,7 +227,7 @@ static int qe_init(struct sunqe *qep, int from_irq)
        if (!(sbus_readb(mregs + MREGS_PHYCONFIG) & MREGS_PHYCONFIG_LTESTDIS)) {
                int tries = 50;
-                while (tries--) {
+                while (--tries) {
                        u8 tmp;
                        mdelay(5);
diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c
index 75461dbd4876..a9fd2b2ccaf6 100644
--- a/drivers/net/tsi108_eth.c
+++ b/drivers/net/tsi108_eth.c
@@ -1237,7 +1237,7 @@ static void tsi108_init_phy(struct net_device *dev)
        spin_lock_irqsave(&phy_lock, flags);
        tsi108_write_mii(data, MII_BMCR, BMCR_RESET);
-        while (i--){
+        while (--i) {
                if(!(tsi108_read_mii(data, MII_BMCR) & BMCR_RESET))
                        break;
                udelay(10);
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index d5d53b633cf8..0bf2114738be 100644
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -392,7 +392,7 @@ static void de_rx (struct de_private *de)
        unsigned drop = 0;
        int rc;
-        while (rx_work--) {
+        while (--rx_work) {
                u32 status, len;
                dma_addr_t mapping;
                struct sk_buff *skb, *copy_skb;
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 0d0fa91c0251..fe98acaead97 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -455,6 +455,7 @@ static const struct usb_device_id hso_ids[] = {
        {icon321_port_device(0x0af0, 0xd033)},  /* Icon-322 */
        {USB_DEVICE(0x0af0, 0x7301)},           /* GE40x */
        {USB_DEVICE(0x0af0, 0x7361)},           /* GE40x */
+        {USB_DEVICE(0x0af0, 0x7381)},           /* GE40x */
        {USB_DEVICE(0x0af0, 0x7401)},           /* GI 0401 */
        {USB_DEVICE(0x0af0, 0x7501)},           /* GTM 382 */
        {USB_DEVICE(0x0af0, 0x7601)},           /* GE40x */
@@ -462,7 +463,8 @@ static const struct usb_device_id hso_ids[] = {
        {USB_DEVICE(0x0af0, 0x7801)},
        {USB_DEVICE(0x0af0, 0x7901)},
        {USB_DEVICE(0x0af0, 0x7361)},
-        {icon321_port_device(0x0af0, 0xd051)},
+        {USB_DEVICE(0x0af0, 0xd057)},
+        {USB_DEVICE(0x0af0, 0xd055)},
        {}
 };
 MODULE_DEVICE_TABLE(usb, hso_ids);
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 8e93341f3e82..9c2358391147 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -553,12 +553,24 @@ static void detach_groups(struct config_group *group)
                child = sd->s_dentry;
+                /*
+                 * Note: we hide this from lockdep since we have no way
+                 * to teach lockdep about recursive
+                 * I_MUTEX_PARENT -> I_MUTEX_CHILD patterns along a path
+                 * in an inode tree, which are valid as soon as
+                 * I_MUTEX_PARENT -> I_MUTEX_CHILD is valid from a
+                 * parent inode to one of its children.
+                 */
+                lockdep_off();
                mutex_lock(&child->d_inode->i_mutex);
+                lockdep_on();
                configfs_detach_group(sd->s_element);
                child->d_inode->i_flags |= S_DEAD;
+                lockdep_off();
                mutex_unlock(&child->d_inode->i_mutex);
+                lockdep_on();
                d_delete(child);
                dput(child);
@@ -748,11 +760,22 @@ static int configfs_attach_item(struct config_item *parent_item,
                         * We are going to remove an inode and its dentry but
                         * the VFS may already have hit and used them. Thus,
                         * we must lock them as rmdir() would.
+                         *
+                         * Note: we hide this from lockdep since we have no way
+                         * to teach lockdep about recursive
+                         * I_MUTEX_PARENT -> I_MUTEX_CHILD patterns along a path
+                         * in an inode tree, which are valid as soon as
+                         * I_MUTEX_PARENT -> I_MUTEX_CHILD is valid from a
+                         * parent inode to one of its children.
                         */
+                        lockdep_off();
                        mutex_lock(&dentry->d_inode->i_mutex);
+                        lockdep_on();
                        configfs_remove_dir(item);
                        dentry->d_inode->i_flags |= S_DEAD;
+                        lockdep_off();
                        mutex_unlock(&dentry->d_inode->i_mutex);
+                        lockdep_on();
                        d_delete(dentry);
                }
        }
@@ -787,14 +810,25 @@ static int configfs_attach_group(struct config_item *parent_item,
                 *
                 * We must also lock the inode to remove it safely in case of
                 * error, as rmdir() would.
+                 *
+                 * Note: we hide this from lockdep since we have no way
+                 * to teach lockdep about recursive
+                 * I_MUTEX_PARENT -> I_MUTEX_CHILD patterns along a path
+                 * in an inode tree, which are valid as soon as
+                 * I_MUTEX_PARENT -> I_MUTEX_CHILD is valid from a
+                 * parent inode to one of its children.
                 */
+                lockdep_off();
                mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_CHILD);
+                lockdep_on();
                ret = populate_groups(to_config_group(item));
                if (ret) {
                        configfs_detach_item(item);
                        dentry->d_inode->i_flags |= S_DEAD;
                }
+                lockdep_off();
                mutex_unlock(&dentry->d_inode->i_mutex);
+                lockdep_on();
                if (ret)
                        d_delete(dentry);
        }
@@ -956,7 +990,17 @@ static int configfs_depend_prep(struct dentry *origin,
        BUG_ON(!origin || !sd);
        /* Lock this guy on the way down */
+        /*
+         * Note: we hide this from lockdep since we have no way
+         * to teach lockdep about recursive
+         * I_MUTEX_PARENT -> I_MUTEX_CHILD patterns along a path
+         * in an inode tree, which are valid as soon as
+         * I_MUTEX_PARENT -> I_MUTEX_CHILD is valid from a
+         * parent inode to one of its children.
+         */
+        lockdep_off();
        mutex_lock(&sd->s_dentry->d_inode->i_mutex);
+        lockdep_on();
        if (sd->s_element == target)  /* Boo-yah */
                goto out;
@@ -970,7 +1014,9 @@ static int configfs_depend_prep(struct dentry *origin,
        }
        /* We looped all our children and didn't find target */
+        lockdep_off();
        mutex_unlock(&sd->s_dentry->d_inode->i_mutex);
+        lockdep_on();
        ret = -ENOENT;
 out:
@@ -990,11 +1036,16 @@ static void configfs_depend_rollback(struct dentry *origin,
        struct dentry *dentry = item->ci_dentry;
        while (dentry != origin) {
+                /* See comments in configfs_depend_prep() */
+                lockdep_off();
                mutex_unlock(&dentry->d_inode->i_mutex);
+                lockdep_on();
                dentry = dentry->d_parent;
        }
+        lockdep_off();
        mutex_unlock(&origin->d_inode->i_mutex);
+        lockdep_on();
 }
 int configfs_depend_item(struct configfs_subsystem *subsys,
@@ -1329,8 +1380,16 @@ static int configfs_rmdir(struct inode *dir, struct dentry *dentry)
                        }
                        /* Wait until the racing operation terminates */
+                        /*
+                         * Note: we hide this from lockdep since we are locked
+                         * with subclass I_MUTEX_NORMAL from vfs_rmdir() (why
+                         * not I_MUTEX_CHILD?), and I_MUTEX_XATTR or
+                         * I_MUTEX_QUOTA are not relevant for the locked inode.
+                         */
+                        lockdep_off();
                        mutex_lock(wait_mutex);
                        mutex_unlock(wait_mutex);
+                        lockdep_on();
                }
        } while (ret == -EAGAIN);
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index d861096c9d81..60fe74035db5 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -5390,6 +5390,9 @@ int ocfs2_remove_btree_range(struct inode *inode,
                goto out;
        }
+        vfs_dq_free_space_nodirty(inode,
+                                  ocfs2_clusters_to_bytes(inode->i_sb, len));
        ret = ocfs2_remove_extent(inode, et, cpos, len, handle, meta_ac,
                                  dealloc);
        if (ret) {
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index b1cc7c381e88..e9d7c2038c0f 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -38,6 +38,7 @@
 #include "dlmglue.h"
 #include "file.h"
 #include "inode.h"
+#include "super.h"
 static int ocfs2_dentry_revalidate(struct dentry *dentry,
@@ -294,6 +295,34 @@ out_attach:
        return ret;
 }
+static DEFINE_SPINLOCK(dentry_list_lock);
+/* We limit the number of dentry locks to drop in one go. We have
+ * this limit so that we don't starve other users of ocfs2_wq. */
+#define DL_INODE_DROP_COUNT 64
+/* Drop inode references from dentry locks */
+void ocfs2_drop_dl_inodes(struct work_struct *work)
+{
+        struct ocfs2_super *osb = container_of(work, struct ocfs2_super,
+                                               dentry_lock_work);
+        struct ocfs2_dentry_lock *dl;
+        int drop_count = DL_INODE_DROP_COUNT;
+        spin_lock(&dentry_list_lock);
+        while (osb->dentry_lock_list && drop_count--) {
+                dl = osb->dentry_lock_list;
+                osb->dentry_lock_list = dl->dl_next;
+                spin_unlock(&dentry_list_lock);
+                iput(dl->dl_inode);
+                kfree(dl);
+                spin_lock(&dentry_list_lock);
+        }
+        if (osb->dentry_lock_list)
+                queue_work(ocfs2_wq, &osb->dentry_lock_work);
+        spin_unlock(&dentry_list_lock);
+}
 /*
 * ocfs2_dentry_iput() and friends.
 *
@@ -318,16 +347,23 @@ out_attach:
 static void ocfs2_drop_dentry_lock(struct ocfs2_super *osb,
                                   struct ocfs2_dentry_lock *dl)
 {
-        iput(dl->dl_inode);
        ocfs2_simple_drop_lockres(osb, &dl->dl_lockres);
        ocfs2_lock_res_free(&dl->dl_lockres);
-        kfree(dl);
+        /* We leave dropping of inode reference to ocfs2_wq as that can
+         * possibly lead to inode deletion which gets tricky */
+        spin_lock(&dentry_list_lock);
+        if (!osb->dentry_lock_list)
+                queue_work(ocfs2_wq, &osb->dentry_lock_work);
+        dl->dl_next = osb->dentry_lock_list;
+        osb->dentry_lock_list = dl;
+        spin_unlock(&dentry_list_lock);
 }
 void ocfs2_dentry_lock_put(struct ocfs2_super *osb,
                           struct ocfs2_dentry_lock *dl)
 {
-        int unlock = 0;
+        int unlock;
        BUG_ON(dl->dl_count == 0);
diff --git a/fs/ocfs2/dcache.h b/fs/ocfs2/dcache.h
index c091c34d9883..d06e16c06640 100644
--- a/fs/ocfs2/dcache.h
+++ b/fs/ocfs2/dcache.h
@@ -29,8 +29,13 @@
 extern struct dentry_operations ocfs2_dentry_ops;
 struct ocfs2_dentry_lock {
+        /* Use count of dentry lock */
        unsigned int            dl_count;
-        u64                     dl_parent_blkno;
+        union {
+                /* Linked list of dentry locks to release */
+                struct ocfs2_dentry_lock *dl_next;
+                u64                     dl_parent_blkno;
+        };
        /*
         * The ocfs2_dentry_lock keeps an inode reference until
@@ -47,6 +52,8 @@ int ocfs2_dentry_attach_lock(struct dentry *dentry, struct inode *inode,
 void ocfs2_dentry_lock_put(struct ocfs2_super *osb,
                           struct ocfs2_dentry_lock *dl);
+void ocfs2_drop_dl_inodes(struct work_struct *work);
 struct dentry *ocfs2_find_local_alias(struct inode *inode, u64 parent_blkno,
                                      int skip_unhashed);
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index b0c4cadd4c45..206a2370876a 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -2860,6 +2860,10 @@ static void ocfs2_unlock_ast(void *opaque, int error)
        case OCFS2_UNLOCK_CANCEL_CONVERT:
                mlog(0, "Cancel convert success for %s\n", lockres->l_name);
                lockres->l_action = OCFS2_AST_INVALID;
+                /* Downconvert thread may have requeued this lock, we
+                 * need to wake it. */
+                if (lockres->l_flags & OCFS2_LOCK_BLOCKED)
+                        ocfs2_wake_downconvert_thread(ocfs2_get_lockres_osb(lockres));
                break;
        case OCFS2_UNLOCK_DROP_LOCK:
                lockres->l_level = DLM_LOCK_IV;
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index ad5c24a29edd..077384135f4e 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -210,6 +210,7 @@ struct ocfs2_journal;
 struct ocfs2_slot_info;
 struct ocfs2_recovery_map;
 struct ocfs2_quota_recovery;
+struct ocfs2_dentry_lock;
 struct ocfs2_super
 {
        struct task_struct *commit_task;
@@ -325,6 +326,11 @@ struct ocfs2_super
        struct list_head blocked_lock_list;
        unsigned long blocked_lock_count;
+        /* List of dentry locks to release. Anyone can add locks to
+         * the list, ocfs2_wq processes the list  */
+        struct ocfs2_dentry_lock *dentry_lock_list;
+        struct work_struct dentry_lock_work;
        wait_queue_head_t               osb_mount_event;
        /* Truncate log info */
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index f4efa89baee5..1ed0f7c86869 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -754,7 +754,9 @@ static int ocfs2_mark_dquot_dirty(struct dquot *dquot)
        if (dquot->dq_flags & mask)
                sync = 1;
        spin_unlock(&dq_data_lock);
-        if (!sync) {
+        /* This is a slight hack but we can't afford getting global quota
+         * lock if we already have a transaction started. */
+        if (!sync || journal_current_handle()) {
                status = ocfs2_write_dquot(dquot);
                goto out;
        }
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 43ed11345b59..b1cb38fbe807 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1887,6 +1887,9 @@ static int ocfs2_initialize_super(struct super_block *sb,
        INIT_WORK(&journal->j_recovery_work, ocfs2_complete_recovery);
        journal->j_state = OCFS2_JOURNAL_FREE;
+        INIT_WORK(&osb->dentry_lock_work, ocfs2_drop_dl_inodes);
+        osb->dentry_lock_list = NULL;
        /* get some pseudo constants for clustersize bits */
        osb->s_clustersize_bits =
                le32_to_cpu(di->id2.i_super.s_clustersize_bits);
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index e1d638af6ac3..915039fffe6e 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -4729,13 +4729,6 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode,
        vb.vb_xv = (struct ocfs2_xattr_value_root *)
                (vb.vb_bh->b_data + offset % blocksize);
-        ret = ocfs2_xattr_bucket_journal_access(ctxt->handle, bucket,
-                                                OCFS2_JOURNAL_ACCESS_WRITE);
-        if (ret) {
-                mlog_errno(ret);
-                goto out;
-        }
        /*
         * From here on out we have to dirty the bucket.  The generic
         * value calls only modify one of the bucket's bhs, but we need
@@ -4748,12 +4741,18 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode,
        ret = ocfs2_xattr_value_truncate(inode, &vb, len, ctxt);
        if (ret) {
                mlog_errno(ret);
-                goto out_dirty;
+                goto out;
+        }
+        ret = ocfs2_xattr_bucket_journal_access(ctxt->handle, bucket,
+                                                OCFS2_JOURNAL_ACCESS_WRITE);
+        if (ret) {
+                mlog_errno(ret);
+                goto out;
        }
        xe->xe_value_size = cpu_to_le64(len);
-out_dirty:
        ocfs2_xattr_bucket_journal_dirty(ctxt->handle, bucket);
 out:
diff --git a/fs/ubifs/budget.c b/fs/ubifs/budget.c
index 175f9c590b77..f393620890ee 100644
--- a/fs/ubifs/budget.c
+++ b/fs/ubifs/budget.c
@@ -689,7 +689,7 @@ long long ubifs_reported_space(const struct ubifs_info *c, long long free)
 }
 /**
- * ubifs_get_free_space - return amount of free space.
+ * ubifs_get_free_space_nolock - return amount of free space.
 * @c: UBIFS file-system description object
 *
 * This function calculates amount of free space to report to user-space.
@@ -704,16 +704,14 @@ long long ubifs_reported_space(const struct ubifs_info *c, long long free)
 * traditional file-systems, because they have way less overhead than UBIFS.
 * So, to keep users happy, UBIFS tries to take the overhead into account.
 */
-long long ubifs_get_free_space(struct ubifs_info *c)
+long long ubifs_get_free_space_nolock(struct ubifs_info *c)
 {
-        int min_idx_lebs, rsvd_idx_lebs, lebs;
+        int rsvd_idx_lebs, lebs;
        long long available, outstanding, free;
-        spin_lock(&c->space_lock);
+        ubifs_assert(c->min_idx_lebs == ubifs_calc_min_idx_lebs(c));
-        min_idx_lebs = c->min_idx_lebs;
-        ubifs_assert(min_idx_lebs == ubifs_calc_min_idx_lebs(c));
        outstanding = c->budg_data_growth + c->budg_dd_growth;
-        available = ubifs_calc_available(c, min_idx_lebs);
+        available = ubifs_calc_available(c, c->min_idx_lebs);
        /*
         * When reporting free space to user-space, UBIFS guarantees that it is
@@ -726,15 +724,14 @@ long long ubifs_get_free_space(struct ubifs_info *c)
         * Note, the calculations below are similar to what we have in
         * 'do_budget_space()', so refer there for comments.
         */
-        if (min_idx_lebs > c->lst.idx_lebs)
+        if (c->min_idx_lebs > c->lst.idx_lebs)
-                rsvd_idx_lebs = min_idx_lebs - c->lst.idx_lebs;
+                rsvd_idx_lebs = c->min_idx_lebs - c->lst.idx_lebs;
        else
                rsvd_idx_lebs = 0;
        lebs = c->lst.empty_lebs + c->freeable_cnt + c->idx_gc_cnt -
               c->lst.taken_empty_lebs;
        lebs -= rsvd_idx_lebs;
        available += lebs * (c->dark_wm - c->leb_overhead);
-        spin_unlock(&c->space_lock);
        if (available > outstanding)
                free = ubifs_reported_space(c, available - outstanding);
@@ -742,3 +739,21 @@ long long ubifs_get_free_space(struct ubifs_info *c)
                free = 0;
        return free;
 }
+/**
+ * ubifs_get_free_space - return amount of free space.
+ * @c: UBIFS file-system description object
+ *
+ * This function calculates and retuns amount of free space to report to
+ * user-space.
+ */
+long long ubifs_get_free_space(struct ubifs_info *c)
+{
+        long long free;
+        spin_lock(&c->space_lock);
+        free = ubifs_get_free_space_nolock(c);
+        spin_unlock(&c->space_lock);
+        return free;
+}
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 792c5a16c182..e975bd82f38b 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -620,9 +620,11 @@ void dbg_dump_budg(struct ubifs_info *c)
               c->dark_wm, c->dead_wm, c->max_idx_node_sz);
        printk(KERN_DEBUG "\tgc_lnum %d, ihead_lnum %d\n",
               c->gc_lnum, c->ihead_lnum);
-        for (i = 0; i < c->jhead_cnt; i++)
+        /* If we are in R/O mode, journal heads do not exist */
-                printk(KERN_DEBUG "\tjhead %d\t LEB %d\n",
+        if (c->jheads)
-                       c->jheads[i].wbuf.jhead, c->jheads[i].wbuf.lnum);
+                for (i = 0; i < c->jhead_cnt; i++)
+                        printk(KERN_DEBUG "\tjhead %d\t LEB %d\n",
+                               c->jheads[i].wbuf.jhead, c->jheads[i].wbuf.lnum);
        for (rb = rb_first(&c->buds); rb; rb = rb_next(rb)) {
                bud = rb_entry(rb, struct ubifs_bud, rb);
                printk(KERN_DEBUG "\tbud LEB %d\n", bud->lnum);
@@ -637,10 +639,7 @@ void dbg_dump_budg(struct ubifs_info *c)
        /* Print budgeting predictions */
        available = ubifs_calc_available(c, c->min_idx_lebs);
        outstanding = c->budg_data_growth + c->budg_dd_growth;
-        if (available > outstanding)
+        free = ubifs_get_free_space_nolock(c);
-                free = ubifs_reported_space(c, available - outstanding);
-        else
-                free = 0;
        printk(KERN_DEBUG "Budgeting predictions:\n");
        printk(KERN_DEBUG "\tavailable: %lld, outstanding %lld, free %lld\n",
               available, outstanding, free);
@@ -861,6 +860,65 @@ void dbg_dump_index(struct ubifs_info *c)
 }
 /**
+ * dbg_save_space_info - save information about flash space.
+ * @c: UBIFS file-system description object
+ *
+ * This function saves information about UBIFS free space, dirty space, etc, in
+ * order to check it later.
+ */
+void dbg_save_space_info(struct ubifs_info *c)
+{
+        struct ubifs_debug_info *d = c->dbg;
+        ubifs_get_lp_stats(c, &d->saved_lst);
+        spin_lock(&c->space_lock);
+        d->saved_free = ubifs_get_free_space_nolock(c);
+        spin_unlock(&c->space_lock);
+}
+/**
+ * dbg_check_space_info - check flash space information.
+ * @c: UBIFS file-system description object
+ *
+ * This function compares current flash space information with the information
+ * which was saved when the 'dbg_save_space_info()' function was called.
+ * Returns zero if the information has not changed, and %-EINVAL it it has
+ * changed.
+ */
+int dbg_check_space_info(struct ubifs_info *c)
+{
+        struct ubifs_debug_info *d = c->dbg;
+        struct ubifs_lp_stats lst;
+        long long avail, free;
+        spin_lock(&c->space_lock);
+        avail = ubifs_calc_available(c, c->min_idx_lebs);
+        spin_unlock(&c->space_lock);
+        free = ubifs_get_free_space(c);
+        if (free != d->saved_free) {
+                ubifs_err("free space changed from %lld to %lld",
+                          d->saved_free, free);
+                goto out;
+        }
+        return 0;
+out:
+        ubifs_msg("saved lprops statistics dump");
+        dbg_dump_lstats(&d->saved_lst);
+        ubifs_get_lp_stats(c, &lst);
+        ubifs_msg("current lprops statistics dump");
+        dbg_dump_lstats(&d->saved_lst);
+        spin_lock(&c->space_lock);
+        dbg_dump_budg(c);
+        spin_unlock(&c->space_lock);
+        dump_stack();
+        return -EINVAL;
+}
+/**
 * dbg_check_synced_i_size - check synchronized inode size.
 * @inode: inode to check
 *
@@ -1349,7 +1407,7 @@ int dbg_check_tnc(struct ubifs_info *c, int extra)
 * @c: UBIFS file-system description object
 * @leaf_cb: called for each leaf node
 * @znode_cb: called for each indexing node
- * @priv: private date which is passed to callbacks
+ * @priv: private data which is passed to callbacks
 *
 * This function walks the UBIFS index and calls the @leaf_cb for each leaf
 * node and @znode_cb for each indexing node. Returns zero in case of success
@@ -2409,7 +2467,7 @@ void ubifs_debugging_exit(struct ubifs_info *c)
 * Root directory for UBIFS stuff in debugfs. Contains sub-directories which
 * contain the stuff specific to particular file-system mounts.
 */
-static struct dentry *debugfs_rootdir;
+static struct dentry *dfs_rootdir;
 /**
 * dbg_debugfs_init - initialize debugfs file-system.
@@ -2421,9 +2479,9 @@ static struct dentry *debugfs_rootdir;
 */
 int dbg_debugfs_init(void)
 {
-        debugfs_rootdir = debugfs_create_dir("ubifs", NULL);
+        dfs_rootdir = debugfs_create_dir("ubifs", NULL);
-        if (IS_ERR(debugfs_rootdir)) {
+        if (IS_ERR(dfs_rootdir)) {
-                int err = PTR_ERR(debugfs_rootdir);
+                int err = PTR_ERR(dfs_rootdir);
                ubifs_err("cannot create \"ubifs\" debugfs directory, "
                          "error %d\n", err);
                return err;
@@ -2437,7 +2495,7 @@ int dbg_debugfs_init(void)
 */
 void dbg_debugfs_exit(void)
 {
-        debugfs_remove(debugfs_rootdir);
+        debugfs_remove(dfs_rootdir);
 }
 static int open_debugfs_file(struct inode *inode, struct file *file)
@@ -2452,13 +2510,13 @@ static ssize_t write_debugfs_file(struct file *file, const char __user *buf,
        struct ubifs_info *c = file->private_data;
        struct ubifs_debug_info *d = c->dbg;
-        if (file->f_path.dentry == d->dump_lprops)
+        if (file->f_path.dentry == d->dfs_dump_lprops)
                dbg_dump_lprops(c);
-        else if (file->f_path.dentry == d->dump_budg) {
+        else if (file->f_path.dentry == d->dfs_dump_budg) {
                spin_lock(&c->space_lock);
                dbg_dump_budg(c);
                spin_unlock(&c->space_lock);
-        } else if (file->f_path.dentry == d->dump_tnc) {
+        } else if (file->f_path.dentry == d->dfs_dump_tnc) {
                mutex_lock(&c->tnc_mutex);
                dbg_dump_tnc(c);
                mutex_unlock(&c->tnc_mutex);
@@ -2469,7 +2527,7 @@ static ssize_t write_debugfs_file(struct file *file, const char __user *buf,
        return count;
 }
-static const struct file_operations debugfs_fops = {
+static const struct file_operations dfs_fops = {
        .open = open_debugfs_file,
        .write = write_debugfs_file,
        .owner = THIS_MODULE,
@@ -2494,36 +2552,32 @@ int dbg_debugfs_init_fs(struct ubifs_info *c)
        struct dentry *dent;
        struct ubifs_debug_info *d = c->dbg;
-        sprintf(d->debugfs_dir_name, "ubi%d_%d", c->vi.ubi_num, c->vi.vol_id);
+        sprintf(d->dfs_dir_name, "ubi%d_%d", c->vi.ubi_num, c->vi.vol_id);
-        d->debugfs_dir = debugfs_create_dir(d->debugfs_dir_name,
+        d->dfs_dir = debugfs_create_dir(d->dfs_dir_name, dfs_rootdir);
-                                              debugfs_rootdir);
+        if (IS_ERR(d->dfs_dir)) {
-        if (IS_ERR(d->debugfs_dir)) {
+                err = PTR_ERR(d->dfs_dir);
-                err = PTR_ERR(d->debugfs_dir);
                ubifs_err("cannot create \"%s\" debugfs directory, error %d\n",
-                          d->debugfs_dir_name, err);
+                          d->dfs_dir_name, err);
                goto out;
        }
        fname = "dump_lprops";
-        dent = debugfs_create_file(fname, S_IWUGO, d->debugfs_dir, c,
+        dent = debugfs_create_file(fname, S_IWUGO, d->dfs_dir, c, &dfs_fops);
-                                   &debugfs_fops);
        if (IS_ERR(dent))
                goto out_remove;
-        d->dump_lprops = dent;
+        d->dfs_dump_lprops = dent;
        fname = "dump_budg";
-        dent = debugfs_create_file(fname, S_IWUGO, d->debugfs_dir, c,
+        dent = debugfs_create_file(fname, S_IWUGO, d->dfs_dir, c, &dfs_fops);
-                                   &debugfs_fops);
        if (IS_ERR(dent))
                goto out_remove;
-        d->dump_budg = dent;
+        d->dfs_dump_budg = dent;
        fname = "dump_tnc";
-        dent = debugfs_create_file(fname, S_IWUGO, d->debugfs_dir, c,
+        dent = debugfs_create_file(fname, S_IWUGO, d->dfs_dir, c, &dfs_fops);
-                                   &debugfs_fops);
        if (IS_ERR(dent))
                goto out_remove;
-        d->dump_tnc = dent;
+        d->dfs_dump_tnc = dent;
        return 0;
@@ -2531,7 +2585,7 @@ out_remove:
        err = PTR_ERR(dent);
        ubifs_err("cannot create \"%s\" debugfs directory, error %d\n",
                  fname, err);
-        debugfs_remove_recursive(d->debugfs_dir);
+        debugfs_remove_recursive(d->dfs_dir);
 out:
        return err;
 }
@@ -2542,7 +2596,7 @@ out:
 */
 void dbg_debugfs_exit_fs(struct ubifs_info *c)
 {
-        debugfs_remove_recursive(c->dbg->debugfs_dir);
+        debugfs_remove_recursive(c->dbg->dfs_dir);
 }
 #endif /* CONFIG_UBIFS_FS_DEBUG */
diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h
index 9820d6999f7e..c1cd73b2e06e 100644
--- a/fs/ubifs/debug.h
+++ b/fs/ubifs/debug.h
@@ -41,15 +41,17 @@
 * @chk_lpt_wastage: used by LPT tree size checker
 * @chk_lpt_lebs: used by LPT tree size checker
 * @new_nhead_offs: used by LPT tree size checker
- * @new_ihead_lnum: used by debugging to check ihead_lnum
+ * @new_ihead_lnum: used by debugging to check @c->ihead_lnum
- * @new_ihead_offs: used by debugging to check ihead_offs
+ * @new_ihead_offs: used by debugging to check @c->ihead_offs
 *
- * debugfs_dir_name: name of debugfs directory containing this file-system's
+ * @saved_lst: saved lprops statistics (used by 'dbg_save_space_info()')
- *                   files
+ * @saved_free: saved free space (used by 'dbg_save_space_info()')
- * debugfs_dir: direntry object of the file-system debugfs directory
+ *
- * dump_lprops: "dump lprops" debugfs knob
+ * dfs_dir_name: name of debugfs directory containing this file-system's files
- * dump_budg: "dump budgeting information" debugfs knob
+ * dfs_dir: direntry object of the file-system debugfs directory
- * dump_tnc: "dump TNC" debugfs knob
+ * dfs_dump_lprops: "dump lprops" debugfs knob
+ * dfs_dump_budg: "dump budgeting information" debugfs knob
+ * dfs_dump_tnc: "dump TNC" debugfs knob
 */
 struct ubifs_debug_info {
        void *buf;
@@ -69,11 +71,14 @@ struct ubifs_debug_info {
        int new_ihead_lnum;
        int new_ihead_offs;
-        char debugfs_dir_name[100];
+        struct ubifs_lp_stats saved_lst;
-        struct dentry *debugfs_dir;
+        long long saved_free;
-        struct dentry *dump_lprops;
-        struct dentry *dump_budg;
+        char dfs_dir_name[100];
-        struct dentry *dump_tnc;
+        struct dentry *dfs_dir;
+        struct dentry *dfs_dump_lprops;
+        struct dentry *dfs_dump_budg;
+        struct dentry *dfs_dump_tnc;
 };
 #define ubifs_assert(expr) do {                                                \
@@ -297,7 +302,8 @@ int dbg_walk_index(struct ubifs_info *c, dbg_leaf_callback leaf_cb,
                   dbg_znode_callback znode_cb, void *priv);
 /* Checking functions */
+void dbg_save_space_info(struct ubifs_info *c);
+int dbg_check_space_info(struct ubifs_info *c);
 int dbg_check_lprops(struct ubifs_info *c);
 int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot);
 int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot);
@@ -439,6 +445,8 @@ void dbg_debugfs_exit_fs(struct ubifs_info *c);
 #define dbg_walk_index(c, leaf_cb, znode_cb, priv) 0
 #define dbg_old_index_check_init(c, zroot)         0
+#define dbg_save_space_info(c)                     ({})
+#define dbg_check_space_info(c)                    0
 #define dbg_check_old_index(c, zroot)              0
 #define dbg_check_cats(c)                          0
 #define dbg_check_ltab(c)                          0
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index f448ab1f9c38..f55d523c52bb 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -482,30 +482,29 @@ static int ubifs_dir_release(struct inode *dir, struct file *file)
 }
 /**
- * lock_2_inodes - lock two UBIFS inodes.
+ * lock_2_inodes - a wrapper for locking two UBIFS inodes.
 * @inode1: first inode
 * @inode2: second inode
+ *
+ * We do not implement any tricks to guarantee strict lock ordering, because
+ * VFS has already done it for us on the @i_mutex. So this is just a simple
+ * wrapper function.
 */
 static void lock_2_inodes(struct inode *inode1, struct inode *inode2)
 {
-        if (inode1->i_ino < inode2->i_ino) {
+        mutex_lock_nested(&ubifs_inode(inode1)->ui_mutex, WB_MUTEX_1);
-                mutex_lock_nested(&ubifs_inode(inode1)->ui_mutex, WB_MUTEX_2);
+        mutex_lock_nested(&ubifs_inode(inode2)->ui_mutex, WB_MUTEX_2);
-                mutex_lock_nested(&ubifs_inode(inode2)->ui_mutex, WB_MUTEX_3);
-        } else {
-                mutex_lock_nested(&ubifs_inode(inode2)->ui_mutex, WB_MUTEX_2);
-                mutex_lock_nested(&ubifs_inode(inode1)->ui_mutex, WB_MUTEX_3);
-        }
 }
 /**
- * unlock_2_inodes - unlock two UBIFS inodes inodes.
+ * unlock_2_inodes - a wrapper for unlocking two UBIFS inodes.
 * @inode1: first inode
 * @inode2: second inode
 */
 static void unlock_2_inodes(struct inode *inode1, struct inode *inode2)
 {
-        mutex_unlock(&ubifs_inode(inode1)->ui_mutex);
        mutex_unlock(&ubifs_inode(inode2)->ui_mutex);
+        mutex_unlock(&ubifs_inode(inode1)->ui_mutex);
 }
 static int ubifs_link(struct dentry *old_dentry, struct inode *dir,
@@ -527,6 +526,8 @@ static int ubifs_link(struct dentry *old_dentry, struct inode *dir,
        dbg_gen("dent '%.*s' to ino %lu (nlink %d) in dir ino %lu",
                dentry->d_name.len, dentry->d_name.name, inode->i_ino,
                inode->i_nlink, dir->i_ino);
+        ubifs_assert(mutex_is_locked(&dir->i_mutex));
+        ubifs_assert(mutex_is_locked(&inode->i_mutex));
        err = dbg_check_synced_i_size(inode);
        if (err)
                return err;
@@ -580,6 +581,8 @@ static int ubifs_unlink(struct inode *dir, struct dentry *dentry)
        dbg_gen("dent '%.*s' from ino %lu (nlink %d) in dir ino %lu",
                dentry->d_name.len, dentry->d_name.name, inode->i_ino,
                inode->i_nlink, dir->i_ino);
+        ubifs_assert(mutex_is_locked(&dir->i_mutex));
+        ubifs_assert(mutex_is_locked(&inode->i_mutex));
        err = dbg_check_synced_i_size(inode);
        if (err)
                return err;
@@ -667,7 +670,8 @@ static int ubifs_rmdir(struct inode *dir, struct dentry *dentry)
        dbg_gen("directory '%.*s', ino %lu in dir ino %lu", dentry->d_name.len,
                dentry->d_name.name, inode->i_ino, dir->i_ino);
+        ubifs_assert(mutex_is_locked(&dir->i_mutex));
+        ubifs_assert(mutex_is_locked(&inode->i_mutex));
        err = check_dir_empty(c, dentry->d_inode);
        if (err)
                return err;
@@ -922,59 +926,30 @@ out_budg:
 }
 /**
- * lock_3_inodes - lock three UBIFS inodes for rename.
+ * lock_3_inodes - a wrapper for locking three UBIFS inodes.
 * @inode1: first inode
 * @inode2: second inode
 * @inode3: third inode
 *
- * For 'ubifs_rename()', @inode1 may be the same as @inode2 whereas @inode3 may
+ * This function is used for 'ubifs_rename()' and @inode1 may be the same as
- * be null.
+ * @inode2 whereas @inode3 may be %NULL.
+ *
+ * We do not implement any tricks to guarantee strict lock ordering, because
+ * VFS has already done it for us on the @i_mutex. So this is just a simple
+ * wrapper function.
 */
 static void lock_3_inodes(struct inode *inode1, struct inode *inode2,
                          struct inode *inode3)
 {
-        struct inode *i1, *i2, *i3;
+        mutex_lock_nested(&ubifs_inode(inode1)->ui_mutex, WB_MUTEX_1);
+        if (inode2 != inode1)
-        if (!inode3) {
+                mutex_lock_nested(&ubifs_inode(inode2)->ui_mutex, WB_MUTEX_2);
-                if (inode1 != inode2) {
+        if (inode3)
-                        lock_2_inodes(inode1, inode2);
+                mutex_lock_nested(&ubifs_inode(inode3)->ui_mutex, WB_MUTEX_3);
-                        return;
-                }
-                mutex_lock_nested(&ubifs_inode(inode1)->ui_mutex, WB_MUTEX_1);
-                return;
-        }
-        if (inode1 == inode2) {
-                lock_2_inodes(inode1, inode3);
-                return;
-        }
-        /* 3 different inodes */
-        if (inode1 < inode2) {
-                i3 = inode2;
-                if (inode1 < inode3) {
-                        i1 = inode1;
-                        i2 = inode3;
-                } else {
-                        i1 = inode3;
-                        i2 = inode1;
-                }
-        } else {
-                i3 = inode1;
-                if (inode2 < inode3) {
-                        i1 = inode2;
-                        i2 = inode3;
-                } else {
-                        i1 = inode3;
-                        i2 = inode2;
-                }
-        }
-        mutex_lock_nested(&ubifs_inode(i1)->ui_mutex, WB_MUTEX_1);
-        lock_2_inodes(i2, i3);
 }
 /**
- * unlock_3_inodes - unlock three UBIFS inodes for rename.
+ * unlock_3_inodes - a wrapper for unlocking three UBIFS inodes for rename.
 * @inode1: first inode
 * @inode2: second inode
 * @inode3: third inode
@@ -982,11 +957,11 @@ static void lock_3_inodes(struct inode *inode1, struct inode *inode2,
 static void unlock_3_inodes(struct inode *inode1, struct inode *inode2,
                            struct inode *inode3)
 {
-        mutex_unlock(&ubifs_inode(inode1)->ui_mutex);
-        if (inode1 != inode2)
-                mutex_unlock(&ubifs_inode(inode2)->ui_mutex);
        if (inode3)
                mutex_unlock(&ubifs_inode(inode3)->ui_mutex);
+        if (inode1 != inode2)
+                mutex_unlock(&ubifs_inode(inode2)->ui_mutex);
+        mutex_unlock(&ubifs_inode(inode1)->ui_mutex);
 }
 static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry,
@@ -1020,6 +995,11 @@ static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry,
                "dir ino %lu", old_dentry->d_name.len, old_dentry->d_name.name,
                old_inode->i_ino, old_dir->i_ino, new_dentry->d_name.len,
                new_dentry->d_name.name, new_dir->i_ino);
+        ubifs_assert(mutex_is_locked(&old_dir->i_mutex));
+        ubifs_assert(mutex_is_locked(&new_dir->i_mutex));
+        if (unlink)
+                ubifs_assert(mutex_is_locked(&new_inode->i_mutex));
        if (unlink && is_dir) {
                err = check_dir_empty(c, new_inode);
@@ -1199,7 +1179,7 @@ int ubifs_getattr(struct vfsmount *mnt, struct dentry *dentry,
        return 0;
 }
-struct inode_operations ubifs_dir_inode_operations = {
+const struct inode_operations ubifs_dir_inode_operations = {
        .lookup      = ubifs_lookup,
        .create      = ubifs_create,
        .link        = ubifs_link,
@@ -1219,7 +1199,7 @@ struct inode_operations ubifs_dir_inode_operations = {
 #endif
 };
-struct file_operations ubifs_dir_operations = {
+const struct file_operations ubifs_dir_operations = {
        .llseek         = ubifs_dir_llseek,
        .release        = ubifs_dir_release,
        .read           = generic_read_dir,
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index bf37374567fa..93b6de51f261 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -432,7 +432,6 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
        int uninitialized_var(err), appending = !!(pos + len > inode->i_size);
        struct page *page;
        ubifs_assert(ubifs_inode(inode)->ui_size == inode->i_size);
        if (unlikely(c->ro_media))
@@ -1541,7 +1540,7 @@ static int ubifs_file_mmap(struct file *file, struct vm_area_struct *vma)
        return 0;
 }
-struct address_space_operations ubifs_file_address_operations = {
+const struct address_space_operations ubifs_file_address_operations = {
        .readpage       = ubifs_readpage,
        .writepage      = ubifs_writepage,
        .write_begin    = ubifs_write_begin,
@@ -1551,7 +1550,7 @@ struct address_space_operations ubifs_file_address_operations = {
        .releasepage    = ubifs_releasepage,
 };
-struct inode_operations ubifs_file_inode_operations = {
+const struct inode_operations ubifs_file_inode_operations = {
        .setattr     = ubifs_setattr,
        .getattr     = ubifs_getattr,
 #ifdef CONFIG_UBIFS_FS_XATTR
@@ -1562,14 +1561,14 @@ struct inode_operations ubifs_file_inode_operations = {
 #endif
 };
-struct inode_operations ubifs_symlink_inode_operations = {
+const struct inode_operations ubifs_symlink_inode_operations = {
        .readlink    = generic_readlink,
        .follow_link = ubifs_follow_link,
        .setattr     = ubifs_setattr,
        .getattr     = ubifs_getattr,
 };
-struct file_operations ubifs_file_operations = {
+const struct file_operations ubifs_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = do_sync_read,
        .write          = do_sync_write,
diff --git a/fs/ubifs/gc.c b/fs/ubifs/gc.c
index 9832f9abe28e..a711d33b3d3e 100644
--- a/fs/ubifs/gc.c
+++ b/fs/ubifs/gc.c
@@ -31,6 +31,26 @@
 * to be reused. Garbage collection will cause the number of dirty index nodes
 * to grow, however sufficient space is reserved for the index to ensure the
 * commit will never run out of space.
+ *
+ * Notes about dead watermark. At current UBIFS implementation we assume that
+ * LEBs which have less than @c->dead_wm bytes of free + dirty space are full
+ * and not worth garbage-collecting. The dead watermark is one min. I/O unit
+ * size, or min. UBIFS node size, depending on what is greater. Indeed, UBIFS
+ * Garbage Collector has to synchronize the GC head's write buffer before
+ * returning, so this is about wasting one min. I/O unit. However, UBIFS GC can
+ * actually reclaim even very small pieces of dirty space by garbage collecting
+ * enough dirty LEBs, but we do not bother doing this at this implementation.
+ *
+ * Notes about dark watermark. The results of GC work depends on how big are
+ * the UBIFS nodes GC deals with. Large nodes make GC waste more space. Indeed,
+ * if GC move data from LEB A to LEB B and nodes in LEB A are large, GC would
+ * have to waste large pieces of free space at the end of LEB B, because nodes
+ * from LEB A would not fit. And the worst situation is when all nodes are of
+ * maximum size. So dark watermark is the amount of free + dirty space in LEB
+ * which are guaranteed to be reclaimable. If LEB has less space, the GC migh
+ * be unable to reclaim it. So, LEBs with free + dirty greater than dark
+ * watermark are "good" LEBs from GC's point of few. The other LEBs are not so
+ * good, and GC takes extra care when moving them.
 */
 #include <linux/pagemap.h>
@@ -381,7 +401,7 @@ int ubifs_garbage_collect_leb(struct ubifs_info *c, struct ubifs_lprops *lp)
                /*
                 * Don't release the LEB until after the next commit, because
-                 * it may contain date which is needed for recovery. So
+                 * it may contain data which is needed for recovery. So
                 * although we freed this LEB, it will become usable only after
                 * the commit.
                 */
@@ -810,8 +830,9 @@ out:
 * ubifs_destroy_idx_gc - destroy idx_gc list.
 * @c: UBIFS file-system description object
 *
- * This function destroys the idx_gc list. It is called when unmounting or
+ * This function destroys the @c->idx_gc list. It is called when unmounting
- * remounting read-only so locks are not needed.
+ * so locks are not needed. Returns zero in case of success and a negative
+ * error code in case of failure.
 */
 void ubifs_destroy_idx_gc(struct ubifs_info *c)
 {
@@ -824,7 +845,6 @@ void ubifs_destroy_idx_gc(struct ubifs_info *c)
                list_del(&idx_gc->list);
                kfree(idx_gc);
        }
 }
 /**
diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c
index 01682713af69..e8e632a1dcdf 100644
--- a/fs/ubifs/io.c
+++ b/fs/ubifs/io.c
@@ -29,7 +29,7 @@
 * would have been wasted for padding to the nearest minimal I/O unit boundary.
 * Instead, data first goes to the write-buffer and is flushed when the
 * buffer is full or when it is not used for some time (by timer). This is
- * similarto the mechanism is used by JFFS2.
+ * similar to the mechanism is used by JFFS2.
 *
 * Write-buffers are defined by 'struct ubifs_wbuf' objects and protected by
 * mutexes defined inside these objects. Since sometimes upper-level code
@@ -75,7 +75,7 @@ void ubifs_ro_mode(struct ubifs_info *c, int err)
 * @lnum: logical eraseblock number
 * @offs: offset within the logical eraseblock
 * @quiet: print no messages
- * @chk_crc: indicates whether to always check the CRC
+ * @must_chk_crc: indicates whether to always check the CRC
 *
 * This function checks node magic number and CRC checksum. This function also
 * validates node length to prevent UBIFS from becoming crazy when an attacker
@@ -83,11 +83,17 @@ void ubifs_ro_mode(struct ubifs_info *c, int err)
 * node length in the common header could cause UBIFS to read memory outside of
 * allocated buffer when checking the CRC checksum.
 *
- * This function returns zero in case of success %-EUCLEAN in case of bad CRC
+ * This function may skip data nodes CRC checking if @c->no_chk_data_crc is
- * or magic.
+ * true, which is controlled by corresponding UBIFS mount option. However, if
+ * @must_chk_crc is true, then @c->no_chk_data_crc is ignored and CRC is
+ * checked. Similarly, if @c->always_chk_crc is true, @c->no_chk_data_crc is
+ * ignored and CRC is checked.
+ *
+ * This function returns zero in case of success and %-EUCLEAN in case of bad
+ * CRC or magic.
 */
 int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
-                     int offs, int quiet, int chk_crc)
+                     int offs, int quiet, int must_chk_crc)
 {
        int err = -EINVAL, type, node_len;
        uint32_t crc, node_crc, magic;
@@ -123,9 +129,9 @@ int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
                   node_len > c->ranges[type].max_len)
                goto out_len;
-        if (!chk_crc && type == UBIFS_DATA_NODE && !c->always_chk_crc)
+        if (!must_chk_crc && type == UBIFS_DATA_NODE && !c->always_chk_crc &&
-                if (c->no_chk_data_crc)
+             c->no_chk_data_crc)
-                        return 0;
+                return 0;
        crc = crc32(UBIFS_CRC32_INIT, buf + 8, node_len - 8);
        node_crc = le32_to_cpu(ch->crc);
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index 9b7c54e0cd2a..a11ca0958a23 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -208,7 +208,7 @@ again:
        offs = 0;
 out:
-        err = ubifs_wbuf_seek_nolock(wbuf, lnum, offs, UBI_SHORTTERM);
+        err = ubifs_wbuf_seek_nolock(wbuf, lnum, offs, wbuf->dtype);
        if (err)
                goto out_unlock;
diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c
index dfd2bcece27a..4cdd284dea56 100644
--- a/fs/ubifs/lprops.c
+++ b/fs/ubifs/lprops.c
@@ -635,10 +635,10 @@ const struct ubifs_lprops *ubifs_change_lp(struct ubifs_info *c,
 * @c: UBIFS file-system description object
 * @st: return statistics
 */
-void ubifs_get_lp_stats(struct ubifs_info *c, struct ubifs_lp_stats *st)
+void ubifs_get_lp_stats(struct ubifs_info *c, struct ubifs_lp_stats *lst)
 {
        spin_lock(&c->space_lock);
-        memcpy(st, &c->lst, sizeof(struct ubifs_lp_stats));
+        memcpy(lst, &c->lst, sizeof(struct ubifs_lp_stats));
        spin_unlock(&c->space_lock);
 }
@@ -678,6 +678,9 @@ int ubifs_change_one_lp(struct ubifs_info *c, int lnum, int free, int dirty,
 out:
        ubifs_release_lprops(c);
+        if (err)
+                ubifs_err("cannot change properties of LEB %d, error %d",
+                          lnum, err);
        return err;
 }
@@ -714,6 +717,9 @@ int ubifs_update_one_lp(struct ubifs_info *c, int lnum, int free, int dirty,
 out:
        ubifs_release_lprops(c);
+        if (err)
+                ubifs_err("cannot update properties of LEB %d, error %d",
+                          lnum, err);
        return err;
 }
@@ -737,6 +743,8 @@ int ubifs_read_one_lp(struct ubifs_info *c, int lnum, struct ubifs_lprops *lp)
        lpp = ubifs_lpt_lookup(c, lnum);
        if (IS_ERR(lpp)) {
                err = PTR_ERR(lpp);
+                ubifs_err("cannot read properties of LEB %d, error %d",
+                          lnum, err);
                goto out;
        }
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index 96ca95707175..3216a1f277f8 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -556,23 +556,23 @@ no_space:
 }
 /**
- * next_pnode - find next pnode.
+ * next_pnode_to_dirty - find next pnode to dirty.
 * @c: UBIFS file-system description object
 * @pnode: pnode
 *
- * This function returns the next pnode or %NULL if there are no more pnodes.
+ * This function returns the next pnode to dirty or %NULL if there are no more
+ * pnodes.  Note that pnodes that have never been written (lnum == 0) are
+ * skipped.
 */
-static struct ubifs_pnode *next_pnode(struct ubifs_info *c,
+static struct ubifs_pnode *next_pnode_to_dirty(struct ubifs_info *c,
-                                      struct ubifs_pnode *pnode)
+                                               struct ubifs_pnode *pnode)
 {
        struct ubifs_nnode *nnode;
        int iip;
        /* Try to go right */
        nnode = pnode->parent;
-        iip = pnode->iip + 1;
+        for (iip = pnode->iip + 1; iip < UBIFS_LPT_FANOUT; iip++) {
-        if (iip < UBIFS_LPT_FANOUT) {
-                /* We assume here that LEB zero is never an LPT LEB */
                if (nnode->nbranch[iip].lnum)
                        return ubifs_get_pnode(c, nnode, iip);
        }
@@ -583,8 +583,11 @@ static struct ubifs_pnode *next_pnode(struct ubifs_info *c,
                nnode = nnode->parent;
                if (!nnode)
                        return NULL;
-                /* We assume here that LEB zero is never an LPT LEB */
+                for (; iip < UBIFS_LPT_FANOUT; iip++) {
-        } while (iip >= UBIFS_LPT_FANOUT || !nnode->nbranch[iip].lnum);
+                        if (nnode->nbranch[iip].lnum)
+                                break;
+                }
+       } while (iip >= UBIFS_LPT_FANOUT);
        /* Go right */
        nnode = ubifs_get_nnode(c, nnode, iip);
@@ -593,12 +596,29 @@ static struct ubifs_pnode *next_pnode(struct ubifs_info *c,
        /* Go down to level 1 */
        while (nnode->level > 1) {
-                nnode = ubifs_get_nnode(c, nnode, 0);
+                for (iip = 0; iip < UBIFS_LPT_FANOUT; iip++) {
+                        if (nnode->nbranch[iip].lnum)
+                                break;
+                }
+                if (iip >= UBIFS_LPT_FANOUT) {
+                        /*
+                         * Should not happen, but we need to keep going
+                         * if it does.
+                         */
+                        iip = 0;
+                }
+                nnode = ubifs_get_nnode(c, nnode, iip);
                if (IS_ERR(nnode))
                        return (void *)nnode;
        }
-        return ubifs_get_pnode(c, nnode, 0);
+        for (iip = 0; iip < UBIFS_LPT_FANOUT; iip++)
+                if (nnode->nbranch[iip].lnum)
+                        break;
+        if (iip >= UBIFS_LPT_FANOUT)
+                /* Should not happen, but we need to keep going if it does */
+                iip = 0;
+        return ubifs_get_pnode(c, nnode, iip);
 }
 /**
@@ -688,7 +708,7 @@ static int make_tree_dirty(struct ubifs_info *c)
        pnode = pnode_lookup(c, 0);
        while (pnode) {
                do_make_pnode_dirty(c, pnode);
-                pnode = next_pnode(c, pnode);
+                pnode = next_pnode_to_dirty(c, pnode);
                if (IS_ERR(pnode))
                        return PTR_ERR(pnode);
        }
diff --git a/fs/ubifs/master.c b/fs/ubifs/master.c
index 71d5493bf565..a88f33801b98 100644
--- a/fs/ubifs/master.c
+++ b/fs/ubifs/master.c
@@ -354,7 +354,7 @@ int ubifs_write_master(struct ubifs_info *c)
        int err, lnum, offs, len;
        if (c->ro_media)
-                return -EINVAL;
+                return -EROFS;
        lnum = UBIFS_MST_LNUM;
        offs = c->mst_offs + c->mst_node_alsz;
diff --git a/fs/ubifs/orphan.c b/fs/ubifs/orphan.c
index 9e6f403f170e..152a7b34a141 100644
--- a/fs/ubifs/orphan.c
+++ b/fs/ubifs/orphan.c
@@ -46,7 +46,7 @@
 * Orphans are accumulated in a rb-tree. When an inode's link count drops to
 * zero, the inode number is added to the rb-tree. It is removed from the tree
 * when the inode is deleted.  Any new orphans that are in the orphan tree when
- * the commit is run, are written to the orphan area in 1 or more orph nodes.
+ * the commit is run, are written to the orphan area in 1 or more orphan nodes.
 * If the orphan area is full, it is consolidated to make space.  There is
 * always enough space because validation prevents the user from creating more
 * than the maximum number of orphans allowed.
@@ -231,7 +231,7 @@ static int tot_avail_orphs(struct ubifs_info *c)
 }
 /**
- * do_write_orph_node - write a node
+ * do_write_orph_node - write a node to the orphan head.
 * @c: UBIFS file-system description object
 * @len: length of node
 * @atomic: write atomically
@@ -264,11 +264,11 @@ static int do_write_orph_node(struct ubifs_info *c, int len, int atomic)
 }
 /**
- * write_orph_node - write an orph node
+ * write_orph_node - write an orphan node.
 * @c: UBIFS file-system description object
 * @atomic: write atomically
 *
- * This function builds an orph node from the cnext list and writes it to the
+ * This function builds an orphan node from the cnext list and writes it to the
 * orphan head. On success, %0 is returned, otherwise a negative error code
 * is returned.
 */
@@ -326,11 +326,11 @@ static int write_orph_node(struct ubifs_info *c, int atomic)
 }
 /**
- * write_orph_nodes - write orph nodes until there are no more to commit
+ * write_orph_nodes - write orphan nodes until there are no more to commit.
 * @c: UBIFS file-system description object
 * @atomic: write atomically
 *
- * This function writes orph nodes for all the orphans to commit. On success,
+ * This function writes orphan nodes for all the orphans to commit. On success,
 * %0 is returned, otherwise a negative error code is returned.
 */
 static int write_orph_nodes(struct ubifs_info *c, int atomic)
@@ -478,14 +478,14 @@ int ubifs_orphan_end_commit(struct ubifs_info *c)
 }
 /**
- * clear_orphans - erase all LEBs used for orphans.
+ * ubifs_clear_orphans - erase all LEBs used for orphans.
 * @c: UBIFS file-system description object
 *
 * If recovery is not required, then the orphans from the previous session
 * are not needed. This function locates the LEBs used to record
 * orphans, and un-maps them.
 */
-static int clear_orphans(struct ubifs_info *c)
+int ubifs_clear_orphans(struct ubifs_info *c)
 {
        int lnum, err;
@@ -547,9 +547,9 @@ static int insert_dead_orphan(struct ubifs_info *c, ino_t inum)
 * do_kill_orphans - remove orphan inodes from the index.
 * @c: UBIFS file-system description object
 * @sleb: scanned LEB
- * @last_cmt_no: cmt_no of last orph node read is passed and returned here
+ * @last_cmt_no: cmt_no of last orphan node read is passed and returned here
 * @outofdate: whether the LEB is out of date is returned here
- * @last_flagged: whether the end orph node is encountered
+ * @last_flagged: whether the end orphan node is encountered
 *
 * This function is a helper to the 'kill_orphans()' function. It goes through
 * every orphan node in a LEB and for every inode number recorded, removes
@@ -580,8 +580,8 @@ static int do_kill_orphans(struct ubifs_info *c, struct ubifs_scan_leb *sleb,
                /*
                 * The commit number on the master node may be less, because
                 * of a failed commit. If there are several failed commits in a
-                 * row, the commit number written on orph nodes will continue to
+                 * row, the commit number written on orphan nodes will continue
-                 * increase (because the commit number is adjusted here) even
+                 * to increase (because the commit number is adjusted here) even
                 * though the commit number on the master node stays the same
                 * because the master node has not been re-written.
                 */
@@ -589,9 +589,9 @@ static int do_kill_orphans(struct ubifs_info *c, struct ubifs_scan_leb *sleb,
                        c->cmt_no = cmt_no;
                if (cmt_no < *last_cmt_no && *last_flagged) {
                        /*
-                         * The last orph node had a higher commit number and was
+                         * The last orphan node had a higher commit number and
-                         * flagged as the last written for that commit number.
+                         * was flagged as the last written for that commit
-                         * That makes this orph node, out of date.
+                         * number. That makes this orphan node, out of date.
                         */
                        if (!first) {
                                ubifs_err("out of order commit number %llu in "
@@ -658,10 +658,10 @@ static int kill_orphans(struct ubifs_info *c)
        /*
         * Orph nodes always start at c->orph_first and are written to each
         * successive LEB in turn. Generally unused LEBs will have been unmapped
-         * but may contain out of date orph nodes if the unmap didn't go
+         * but may contain out of date orphan nodes if the unmap didn't go
-         * through. In addition, the last orph node written for each commit is
+         * through. In addition, the last orphan node written for each commit is
         * marked (top bit of orph->cmt_no is set to 1). It is possible that
-         * there are orph nodes from the next commit (i.e. the commit did not
+         * there are orphan nodes from the next commit (i.e. the commit did not
         * complete successfully). In that case, no orphans will have been lost
         * due to the way that orphans are written, and any orphans added will
         * be valid orphans anyway and so can be deleted.
@@ -718,7 +718,7 @@ int ubifs_mount_orphans(struct ubifs_info *c, int unclean, int read_only)
        if (unclean)
                err = kill_orphans(c);
        else if (!read_only)
-                err = clear_orphans(c);
+                err = ubifs_clear_orphans(c);
        return err;
 }
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 89556ee72518..1182b66a5491 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -397,6 +397,7 @@ static int ubifs_statfs(struct dentry *dentry, struct kstatfs *buf)
        buf->f_namelen = UBIFS_MAX_NLEN;
        buf->f_fsid.val[0] = le32_to_cpu(uuid[0]) ^ le32_to_cpu(uuid[2]);
        buf->f_fsid.val[1] = le32_to_cpu(uuid[1]) ^ le32_to_cpu(uuid[3]);
+        ubifs_assert(buf->f_bfree <= c->block_cnt);
        return 0;
 }
@@ -432,33 +433,24 @@ static int ubifs_sync_fs(struct super_block *sb, int wait)
        int i, err;
        struct ubifs_info *c = sb->s_fs_info;
        struct writeback_control wbc = {
-                .sync_mode   = wait ? WB_SYNC_ALL : WB_SYNC_NONE,
+                .sync_mode   = WB_SYNC_ALL,
                .range_start = 0,
                .range_end   = LLONG_MAX,
                .nr_to_write = LONG_MAX,
        };
        /*
-         * Note by akpm about WB_SYNC_NONE used above: zero @wait is just an
+         * Zero @wait is just an advisory thing to help the file system shove
-         * advisory thing to help the file system shove lots of data into the
+         * lots of data into the queues, and there will be the second
-         * queues. If some gets missed then it'll be picked up on the second
         * '->sync_fs()' call, with non-zero @wait.
         */
+        if (!wait)
+                return 0;
        if (sb->s_flags & MS_RDONLY)
                return 0;
        /*
-         * Synchronize write buffers, because 'ubifs_run_commit()' does not
-         * do this if it waits for an already running commit.
-         */
-        for (i = 0; i < c->jhead_cnt; i++) {
-                err = ubifs_wbuf_sync(&c->jheads[i].wbuf);
-                if (err)
-                        return err;
-        }
-        /*
         * VFS calls '->sync_fs()' before synchronizing all dirty inodes and
         * pages, so synchronize them first, then commit the journal. Strictly
         * speaking, it is not necessary to commit the journal here,
@@ -469,6 +461,16 @@ static int ubifs_sync_fs(struct super_block *sb, int wait)
         */
        generic_sync_sb_inodes(sb, &wbc);
+        /*
+         * Synchronize write buffers, because 'ubifs_run_commit()' does not
+         * do this if it waits for an already running commit.
+         */
+        for (i = 0; i < c->jhead_cnt; i++) {
+                err = ubifs_wbuf_sync(&c->jheads[i].wbuf);
+                if (err)
+                        return err;
+        }
        err = ubifs_run_commit(c);
        if (err)
                return err;
@@ -572,15 +574,8 @@ static int init_constants_early(struct ubifs_info *c)
        c->ranges[UBIFS_IDX_NODE].max_len = INT_MAX;
        /*
-         * Initialize dead and dark LEB space watermarks.
+         * Initialize dead and dark LEB space watermarks. See gc.c for comments
-         *
+         * about these values.
-         * Dead space is the space which cannot be used. Its watermark is
-         * equivalent to min. I/O unit or minimum node size if it is greater
-         * then min. I/O unit.
-         *
-         * Dark space is the space which might be used, or might not, depending
-         * on which node should be written to the LEB. Its watermark is
-         * equivalent to maximum UBIFS node size.
         */
        c->dead_wm = ALIGN(MIN_WRITE_SZ, c->min_io_size);
        c->dark_wm = ALIGN(UBIFS_MAX_NODE_SZ, c->min_io_size);
@@ -741,12 +736,12 @@ static void init_constants_master(struct ubifs_info *c)
 * take_gc_lnum - reserve GC LEB.
 * @c: UBIFS file-system description object
 *
- * This function ensures that the LEB reserved for garbage collection is
+ * This function ensures that the LEB reserved for garbage collection is marked
- * unmapped and is marked as "taken" in lprops. We also have to set free space
+ * as "taken" in lprops. We also have to set free space to LEB size and dirty
- * to LEB size and dirty space to zero, because lprops may contain out-of-date
+ * space to zero, because lprops may contain out-of-date information if the
- * information if the file-system was un-mounted before it has been committed.
+ * file-system was un-mounted before it has been committed. This function
- * This function returns zero in case of success and a negative error code in
+ * returns zero in case of success and a negative error code in case of
- * case of failure.
+ * failure.
 */
 static int take_gc_lnum(struct ubifs_info *c)
 {
@@ -757,10 +752,6 @@ static int take_gc_lnum(struct ubifs_info *c)
                return -EINVAL;
        }
-        err = ubifs_leb_unmap(c, c->gc_lnum);
-        if (err)
-                return err;
        /* And we have to tell lprops that this LEB is taken */
        err = ubifs_change_one_lp(c, c->gc_lnum, c->leb_size, 0,
                                  LPROPS_TAKEN, 0, 0);
@@ -966,13 +957,16 @@ static int ubifs_parse_options(struct ubifs_info *c, char *options,
                token = match_token(p, tokens, args);
                switch (token) {
+                /*
+                 * %Opt_fast_unmount and %Opt_norm_unmount options are ignored.
+                 * We accepte them in order to be backware-compatible. But this
+                 * should be removed at some point.
+                 */
                case Opt_fast_unmount:
                        c->mount_opts.unmount_mode = 2;
-                        c->fast_unmount = 1;
                        break;
                case Opt_norm_unmount:
                        c->mount_opts.unmount_mode = 1;
-                        c->fast_unmount = 0;
                        break;
                case Opt_bulk_read:
                        c->mount_opts.bulk_read = 2;
@@ -1094,12 +1088,7 @@ static int check_free_space(struct ubifs_info *c)
                ubifs_err("insufficient free space to mount in read/write mode");
                dbg_dump_budg(c);
                dbg_dump_lprops(c);
-                /*
+                return -ENOSPC;
-                 * We return %-EINVAL instead of %-ENOSPC because it seems to
-                 * be the closest error code mentioned in the mount function
-                 * documentation.
-                 */
-                return -EINVAL;
        }
        return 0;
 }
@@ -1286,10 +1275,19 @@ static int mount_ubifs(struct ubifs_info *c)
                        if (err)
                                goto out_orphans;
                        err = ubifs_rcvry_gc_commit(c);
-                } else
+                } else {
                        err = take_gc_lnum(c);
-                if (err)
+                        if (err)
-                        goto out_orphans;
+                                goto out_orphans;
+                        /*
+                         * GC LEB may contain garbage if there was an unclean
+                         * reboot, and it should be un-mapped.
+                         */
+                        err = ubifs_leb_unmap(c, c->gc_lnum);
+                        if (err)
+                                return err;
+                }
                err = dbg_check_lprops(c);
                if (err)
@@ -1298,6 +1296,16 @@ static int mount_ubifs(struct ubifs_info *c)
                err = ubifs_recover_size(c);
                if (err)
                        goto out_orphans;
+        } else {
+                /*
+                 * Even if we mount read-only, we have to set space in GC LEB
+                 * to proper value because this affects UBIFS free space
+                 * reporting. We do not want to have a situation when
+                 * re-mounting from R/O to R/W changes amount of free space.
+                 */
+                err = take_gc_lnum(c);
+                if (err)
+                        goto out_orphans;
        }
        spin_lock(&ubifs_infos_lock);
@@ -1310,14 +1318,17 @@ static int mount_ubifs(struct ubifs_info *c)
                else {
                        c->need_recovery = 0;
                        ubifs_msg("recovery completed");
+                        /* GC LEB has to be empty and taken at this point */
+                        ubifs_assert(c->lst.taken_empty_lebs == 1);
                }
-        }
+        } else
+                ubifs_assert(c->lst.taken_empty_lebs == 1);
-        err = dbg_debugfs_init_fs(c);
+        err = dbg_check_filesystem(c);
        if (err)
                goto out_infos;
-        err = dbg_check_filesystem(c);
+        err = dbg_debugfs_init_fs(c);
        if (err)
                goto out_infos;
@@ -1351,7 +1362,6 @@ static int mount_ubifs(struct ubifs_info *c)
               c->uuid[4], c->uuid[5], c->uuid[6], c->uuid[7],
               c->uuid[8], c->uuid[9], c->uuid[10], c->uuid[11],
               c->uuid[12], c->uuid[13], c->uuid[14], c->uuid[15]);
-        dbg_msg("fast unmount:        %d", c->fast_unmount);
        dbg_msg("big_lpt              %d", c->big_lpt);
        dbg_msg("log LEBs:            %d (%d - %d)",
                c->log_lebs, UBIFS_LOG_LNUM, c->log_last);
@@ -1475,10 +1485,8 @@ static int ubifs_remount_rw(struct ubifs_info *c)
 {
        int err, lnum;
-        if (c->ro_media)
-                return -EINVAL;
        mutex_lock(&c->umount_mutex);
+        dbg_save_space_info(c);
        c->remounting_rw = 1;
        c->always_chk_crc = 1;
@@ -1514,6 +1522,12 @@ static int ubifs_remount_rw(struct ubifs_info *c)
                err = ubifs_recover_inl_heads(c, c->sbuf);
                if (err)
                        goto out;
+        } else {
+                /* A readonly mount is not allowed to have orphans */
+                ubifs_assert(c->tot_orphans == 0);
+                err = ubifs_clear_orphans(c);
+                if (err)
+                        goto out;
        }
        if (!(c->mst_node->flags & cpu_to_le32(UBIFS_MST_DIRTY))) {
@@ -1569,7 +1583,7 @@ static int ubifs_remount_rw(struct ubifs_info *c)
        if (c->need_recovery)
                err = ubifs_rcvry_gc_commit(c);
        else
-                err = take_gc_lnum(c);
+                err = ubifs_leb_unmap(c, c->gc_lnum);
        if (err)
                goto out;
@@ -1582,8 +1596,9 @@ static int ubifs_remount_rw(struct ubifs_info *c)
        c->vfs_sb->s_flags &= ~MS_RDONLY;
        c->remounting_rw = 0;
        c->always_chk_crc = 0;
+        err = dbg_check_space_info(c);
        mutex_unlock(&c->umount_mutex);
-        return 0;
+        return err;
 out:
        vfree(c->orph_buf);
@@ -1603,43 +1618,18 @@ out:
 }
 /**
- * commit_on_unmount - commit the journal when un-mounting.
- * @c: UBIFS file-system description object
- *
- * This function is called during un-mounting and re-mounting, and it commits
- * the journal unless the "fast unmount" mode is enabled.
- */
-static void commit_on_unmount(struct ubifs_info *c)
-{
-        struct super_block *sb = c->vfs_sb;
-        long long bud_bytes;
-        /*
-         * This function is called before the background thread is stopped, so
-         * we may race with ongoing commit, which means we have to take
-         * @c->bud_lock to access @c->bud_bytes.
-         */
-        spin_lock(&c->buds_lock);
-        bud_bytes = c->bud_bytes;
-        spin_unlock(&c->buds_lock);
-        if (!c->fast_unmount && !(sb->s_flags & MS_RDONLY) && bud_bytes)
-                ubifs_run_commit(c);
-}
-/**
 * ubifs_remount_ro - re-mount in read-only mode.
 * @c: UBIFS file-system description object
 *
- * We rely on VFS to have stopped writing. Possibly the background thread could
+ * We assume VFS has stopped writing. Possibly the background thread could be
- * be running a commit, however kthread_stop will wait in that case.
+ * running a commit, however kthread_stop will wait in that case.
 */
 static void ubifs_remount_ro(struct ubifs_info *c)
 {
        int i, err;
        ubifs_assert(!c->need_recovery);
-        commit_on_unmount(c);
+        ubifs_assert(!(c->vfs_sb->s_flags & MS_RDONLY));
        mutex_lock(&c->umount_mutex);
        if (c->bgt) {
@@ -1647,27 +1637,29 @@ static void ubifs_remount_ro(struct ubifs_info *c)
                c->bgt = NULL;
        }
+        dbg_save_space_info(c);
        for (i = 0; i < c->jhead_cnt; i++) {
                ubifs_wbuf_sync(&c->jheads[i].wbuf);
                del_timer_sync(&c->jheads[i].wbuf.timer);
        }
-        if (!c->ro_media) {
+        c->mst_node->flags &= ~cpu_to_le32(UBIFS_MST_DIRTY);
-                c->mst_node->flags &= ~cpu_to_le32(UBIFS_MST_DIRTY);
+        c->mst_node->flags |= cpu_to_le32(UBIFS_MST_NO_ORPHS);
-                c->mst_node->flags |= cpu_to_le32(UBIFS_MST_NO_ORPHS);
+        c->mst_node->gc_lnum = cpu_to_le32(c->gc_lnum);
-                c->mst_node->gc_lnum = cpu_to_le32(c->gc_lnum);
+        err = ubifs_write_master(c);
-                err = ubifs_write_master(c);
+        if (err)
-                if (err)
+                ubifs_ro_mode(c, err);
-                        ubifs_ro_mode(c, err);
-        }
-        ubifs_destroy_idx_gc(c);
        free_wbufs(c);
        vfree(c->orph_buf);
        c->orph_buf = NULL;
        vfree(c->ileb_buf);
        c->ileb_buf = NULL;
        ubifs_lpt_free(c, 1);
+        err = dbg_check_space_info(c);
+        if (err)
+                ubifs_ro_mode(c, err);
        mutex_unlock(&c->umount_mutex);
 }
@@ -1760,11 +1752,20 @@ static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data)
        }
        if ((sb->s_flags & MS_RDONLY) && !(*flags & MS_RDONLY)) {
+                if (c->ro_media) {
+                        ubifs_msg("cannot re-mount due to prior errors");
+                        return -EROFS;
+                }
                err = ubifs_remount_rw(c);
                if (err)
                        return err;
-        } else if (!(sb->s_flags & MS_RDONLY) && (*flags & MS_RDONLY))
+        } else if (!(sb->s_flags & MS_RDONLY) && (*flags & MS_RDONLY)) {
+                if (c->ro_media) {
+                        ubifs_msg("cannot re-mount due to prior errors");
+                        return -EROFS;
+                }
                ubifs_remount_ro(c);
+        }
        if (c->bulk_read == 1)
                bu_init(c);
@@ -1774,10 +1775,11 @@ static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data)
                c->bu.buf = NULL;
        }
+        ubifs_assert(c->lst.taken_empty_lebs == 1);
        return 0;
 }
-struct super_operations ubifs_super_operations = {
+const struct super_operations ubifs_super_operations = {
        .alloc_inode   = ubifs_alloc_inode,
        .destroy_inode = ubifs_destroy_inode,
        .put_super     = ubifs_put_super,
@@ -2044,15 +2046,6 @@ out_close:
 static void ubifs_kill_sb(struct super_block *sb)
 {
-        struct ubifs_info *c = sb->s_fs_info;
-        /*
-         * We do 'commit_on_unmount()' here instead of 'ubifs_put_super()'
-         * in order to be outside BKL.
-         */
-        if (sb->s_root)
-                commit_on_unmount(c);
-        /* The un-mount routine is actually done in put_super() */
        generic_shutdown_super(sb);
 }
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index f7e36f545527..fa28a84c6a1b 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -443,6 +443,11 @@ static int tnc_read_node_nm(struct ubifs_info *c, struct ubifs_zbranch *zbr,
 * This function performs that same function as ubifs_read_node except that
 * it does not require that there is actually a node present and instead
 * the return code indicates if a node was read.
+ *
+ * Note, this function does not check CRC of data nodes if @c->no_chk_data_crc
+ * is true (it is controlled by corresponding mount option). However, if
+ * @c->always_chk_crc is true, @c->no_chk_data_crc is ignored and CRC is always
+ * checked.
 */
 static int try_read_node(const struct ubifs_info *c, void *buf, int type,
                         int len, int lnum, int offs)
@@ -470,9 +475,8 @@ static int try_read_node(const struct ubifs_info *c, void *buf, int type,
        if (node_len != len)
                return 0;
-        if (type == UBIFS_DATA_NODE && !c->always_chk_crc)
+        if (type == UBIFS_DATA_NODE && !c->always_chk_crc && c->no_chk_data_crc)
-                if (c->no_chk_data_crc)
+                return 1;
-                        return 0;
        crc = crc32(UBIFS_CRC32_INIT, buf + 8, node_len - 8);
        node_crc = le32_to_cpu(ch->crc);
@@ -1506,7 +1510,7 @@ out:
 *
 * Note, if the bulk-read buffer length (@bu->buf_len) is known, this function
 * makes sure bulk-read nodes fit the buffer. Otherwise, this function prepares
- * maxumum possible amount of nodes for bulk-read.
+ * maximum possible amount of nodes for bulk-read.
 */
 int ubifs_tnc_get_bu_keys(struct ubifs_info *c, struct bu_info *bu)
 {
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index fc2a4cc66d03..039a68bee29a 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -426,9 +426,9 @@ struct ubifs_unclean_leb {
 * LEB properties flags.
 *
 * LPROPS_UNCAT: not categorized
- * LPROPS_DIRTY: dirty > 0, not index
+ * LPROPS_DIRTY: dirty > free, dirty >= @c->dead_wm, not index
 * LPROPS_DIRTY_IDX: dirty + free > @c->min_idx_node_sze and index
- * LPROPS_FREE: free > 0, not empty, not index
+ * LPROPS_FREE: free > 0, dirty < @c->dead_wm, not empty, not index
 * LPROPS_HEAP_CNT: number of heaps used for storing categorized LEBs
 * LPROPS_EMPTY: LEB is empty, not taken
 * LPROPS_FREEABLE: free + dirty == leb_size, not index, not taken
@@ -961,7 +961,6 @@ struct ubifs_debug_info;
 * @cs_lock: commit state lock
 * @cmt_wq: wait queue to sleep on if the log is full and a commit is running
 *
- * @fast_unmount: do not run journal commit before un-mounting
 * @big_lpt: flag that LPT is too big to write whole during commit
 * @no_chk_data_crc: do not check CRCs when reading data nodes (except during
 *                   recovery)
@@ -1202,7 +1201,6 @@ struct ubifs_info {
        spinlock_t cs_lock;
        wait_queue_head_t cmt_wq;
-        unsigned int fast_unmount:1;
        unsigned int big_lpt:1;
        unsigned int no_chk_data_crc:1;
        unsigned int bulk_read:1;
@@ -1405,13 +1403,13 @@ extern struct list_head ubifs_infos;
 extern spinlock_t ubifs_infos_lock;
 extern atomic_long_t ubifs_clean_zn_cnt;
 extern struct kmem_cache *ubifs_inode_slab;
-extern struct super_operations ubifs_super_operations;
+extern const struct super_operations ubifs_super_operations;
-extern struct address_space_operations ubifs_file_address_operations;
+extern const struct address_space_operations ubifs_file_address_operations;
-extern struct file_operations ubifs_file_operations;
+extern const struct file_operations ubifs_file_operations;
-extern struct inode_operations ubifs_file_inode_operations;
+extern const struct inode_operations ubifs_file_inode_operations;
-extern struct file_operations ubifs_dir_operations;
+extern const struct file_operations ubifs_dir_operations;
-extern struct inode_operations ubifs_dir_inode_operations;
+extern const struct inode_operations ubifs_dir_inode_operations;
-extern struct inode_operations ubifs_symlink_inode_operations;
+extern const struct inode_operations ubifs_symlink_inode_operations;
 extern struct backing_dev_info ubifs_backing_dev_info;
 extern struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT];
@@ -1428,7 +1426,7 @@ int ubifs_read_node_wbuf(struct ubifs_wbuf *wbuf, void *buf, int type, int len,
 int ubifs_write_node(struct ubifs_info *c, void *node, int len, int lnum,
                     int offs, int dtype);
 int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
-                     int offs, int quiet, int chk_crc);
+                     int offs, int quiet, int must_chk_crc);
 void ubifs_prepare_node(struct ubifs_info *c, void *buf, int len, int pad);
 void ubifs_prep_grp_node(struct ubifs_info *c, void *node, int len, int last);
 int ubifs_io_init(struct ubifs_info *c);
@@ -1495,6 +1493,7 @@ void ubifs_release_ino_dirty(struct ubifs_info *c, struct inode *inode,
 void ubifs_cancel_ino_op(struct ubifs_info *c, struct inode *inode,
                         struct ubifs_budget_req *req);
 long long ubifs_get_free_space(struct ubifs_info *c);
+long long ubifs_get_free_space_nolock(struct ubifs_info *c);
 int ubifs_calc_min_idx_lebs(struct ubifs_info *c);
 void ubifs_convert_page_budget(struct ubifs_info *c);
 long long ubifs_reported_space(const struct ubifs_info *c, long long free);
@@ -1603,6 +1602,7 @@ void ubifs_delete_orphan(struct ubifs_info *c, ino_t inum);
 int ubifs_orphan_start_commit(struct ubifs_info *c);
 int ubifs_orphan_end_commit(struct ubifs_info *c);
 int ubifs_mount_orphans(struct ubifs_info *c, int unclean, int read_only);
+int ubifs_clear_orphans(struct ubifs_info *c);
 /* lpt.c */
 int ubifs_calc_lpt_geom(struct ubifs_info *c);
@@ -1646,7 +1646,7 @@ const struct ubifs_lprops *ubifs_change_lp(struct ubifs_info *c,
                                           const struct ubifs_lprops *lp,
                                           int free, int dirty, int flags,
                                           int idx_gc_cnt);
-void ubifs_get_lp_stats(struct ubifs_info *c, struct ubifs_lp_stats *stats);
+void ubifs_get_lp_stats(struct ubifs_info *c, struct ubifs_lp_stats *lst);
 void ubifs_add_to_cat(struct ubifs_info *c, struct ubifs_lprops *lprops,
                      int cat);
 void ubifs_replace_cat(struct ubifs_info *c, struct ubifs_lprops *old_lprops,
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index 2ed035354c26..a608e72fa405 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -371,7 +371,11 @@ xfs_quiesce_attr(
        /* flush inodes and push all remaining buffers out to disk */
        xfs_quiesce_fs(mp);
-        ASSERT_ALWAYS(atomic_read(&mp->m_active_trans) == 0);
+        /*
+         * Just warn here till VFS can correctly support
+         * read-only remount without racing.
+         */
+        WARN_ON(atomic_read(&mp->m_active_trans) != 0);
        /* Push the superblock and write an unmount record */
        error = xfs_log_sbcount(mp, 1);
diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c
index b4c1ee713492..f8278cfcc1d3 100644
--- a/fs/xfs/xfs_dfrag.c
+++ b/fs/xfs/xfs_dfrag.c
@@ -55,17 +55,11 @@ xfs_swapext(
        struct file     *file, *target_file;
        int             error = 0;
-        sxp = kmem_alloc(sizeof(xfs_swapext_t), KM_MAYFAIL);
-        if (!sxp) {
-                error = XFS_ERROR(ENOMEM);
-                goto out;
-        }
        /* Pull information for the target fd */
        file = fget((int)sxp->sx_fdtarget);
        if (!file) {
                error = XFS_ERROR(EINVAL);
-                goto out_free_sxp;
+                goto out;
        }
        if (!(file->f_mode & FMODE_WRITE) || (file->f_flags & O_APPEND)) {
@@ -109,8 +103,6 @@ xfs_swapext(
        fput(target_file);
 out_put_file:
        fput(file);
- out_free_sxp:
-        kmem_free(sxp);
 out:
        return error;
 }
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 35cca98bd94c..b1047de2fffd 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -70,16 +70,21 @@ STATIC void	xlog_recover_check_summary(xlog_t *);
 xfs_buf_t *
 xlog_get_bp(
        xlog_t          *log,
-        int             num_bblks)
+        int             nbblks)
 {
-        ASSERT(num_bblks > 0);
+        if (nbblks <= 0 || nbblks > log->l_logBBsize) {
+                xlog_warn("XFS: Invalid block length (0x%x) given for buffer", nbblks);
+                XFS_ERROR_REPORT("xlog_get_bp(1)",
+                                 XFS_ERRLEVEL_HIGH, log->l_mp);
+                return NULL;
+        }
        if (log->l_sectbb_log) {
-                if (num_bblks > 1)
+                if (nbblks > 1)
-                        num_bblks += XLOG_SECTOR_ROUNDUP_BBCOUNT(log, 1);
+                        nbblks += XLOG_SECTOR_ROUNDUP_BBCOUNT(log, 1);
-                num_bblks = XLOG_SECTOR_ROUNDUP_BBCOUNT(log, num_bblks);
+                nbblks = XLOG_SECTOR_ROUNDUP_BBCOUNT(log, nbblks);
        }
-        return xfs_buf_get_noaddr(BBTOB(num_bblks), log->l_mp->m_logdev_targp);
+        return xfs_buf_get_noaddr(BBTOB(nbblks), log->l_mp->m_logdev_targp);
 }
 void
@@ -102,6 +107,13 @@ xlog_bread(
 {
        int             error;
+        if (nbblks <= 0 || nbblks > log->l_logBBsize) {
+                xlog_warn("XFS: Invalid block length (0x%x) given for buffer", nbblks);
+                XFS_ERROR_REPORT("xlog_bread(1)",
+                                 XFS_ERRLEVEL_HIGH, log->l_mp);
+                return EFSCORRUPTED;
+        }
        if (log->l_sectbb_log) {
                blk_no = XLOG_SECTOR_ROUNDDOWN_BLKNO(log, blk_no);
                nbblks = XLOG_SECTOR_ROUNDUP_BBCOUNT(log, nbblks);
@@ -139,6 +151,13 @@ xlog_bwrite(
 {
        int             error;
+        if (nbblks <= 0 || nbblks > log->l_logBBsize) {
+                xlog_warn("XFS: Invalid block length (0x%x) given for buffer", nbblks);
+                XFS_ERROR_REPORT("xlog_bwrite(1)",
+                                 XFS_ERRLEVEL_HIGH, log->l_mp);
+                return EFSCORRUPTED;
+        }
        if (log->l_sectbb_log) {
                blk_no = XLOG_SECTOR_ROUNDDOWN_BLKNO(log, blk_no);
                nbblks = XLOG_SECTOR_ROUNDUP_BBCOUNT(log, nbblks);
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 2124c063a7ef..b97cdc516a8f 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -90,7 +90,6 @@ header-y += if_ppp.h
 header-y += if_slip.h
 header-y += if_strip.h
 header-y += if_tun.h
-header-y += if_tunnel.h
 header-y += in_route.h
 header-y += ioctl.h
 header-y += ip6_tunnel.h
@@ -236,6 +235,7 @@ unifdef-y += if_phonet.h
 unifdef-y += if_pppol2tp.h
 unifdef-y += if_pppox.h
 unifdef-y += if_tr.h
+unifdef-y += if_tunnel.h
 unifdef-y += if_vlan.h
 unifdef-y += igmp.h
 unifdef-y += inet_diag.h
diff --git a/include/linux/ata.h b/include/linux/ata.h
index a53318b8cbd0..08a86d5cdf1b 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -731,12 +731,17 @@ static inline int ata_id_current_chs_valid(const u16 *id)
 static inline int ata_id_is_cfa(const u16 *id)
 {
-        if (id[ATA_ID_CONFIG] == 0x848A)        /* Standard CF */
+        if (id[ATA_ID_CONFIG] == 0x848A)        /* Traditional CF */
                return 1;
-        /* Could be CF hiding as standard ATA */
+        /*
-        if (ata_id_major_version(id) >= 3 &&
+         * CF specs don't require specific value in the word 0 anymore and yet
-            id[ATA_ID_COMMAND_SET_1] != 0xFFFF &&
+         * they forbid to report the ATA version in the word 80 and require the
-           (id[ATA_ID_COMMAND_SET_1] & (1 << 2)))
+         * CFA feature set support to be indicated in the word 83 in this case.
+         * Unfortunately, some cards only follow either of this requirements,
+         * and while those that don't indicate CFA feature support need some
+         * sort of quirk list, it seems impractical for the ones that do...
+         */
+        if ((id[ATA_ID_COMMAND_SET_2] & 0xC004) == 0x4004)
                return 1;
        return 0;
 }
diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index aeab2cb32a9c..82c43624c067 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -2,7 +2,10 @@
 #define _IF_TUNNEL_H_
 #include <linux/types.h>
+#ifdef __KERNEL__
 #include <linux/ip.h>
+#endif
 #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
 #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
diff --git a/include/linux/libata.h b/include/linux/libata.h
index bca3ba25f52a..5d87bc09a1f5 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -380,6 +380,7 @@ enum {
        ATA_HORKAGE_ATAPI_MOD16_DMA = (1 << 11), /* use ATAPI DMA for commands
                                                    not multiple of 16 bytes */
        ATA_HORKAGE_FIRMWARE_WARN = (1 << 12),  /* firwmare update warning */
+        ATA_HORKAGE_1_5_GBPS    = (1 << 13),    /* force 1.5 Gbps */
         /* DMA mask for user DMA control: User visible values; DO NOT
            renumber */
@@ -580,7 +581,7 @@ struct ata_device {
        acpi_handle             acpi_handle;
        union acpi_object       *gtf_cache;
 #endif
-        /* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
+        /* n_sector is CLEAR_BEGIN, read comment above CLEAR_BEGIN */
        u64                     n_sectors;      /* size of device, if ATA */
        unsigned int            class;          /* ATA_DEV_xxx */
        unsigned long           unpark_deadline;
@@ -605,20 +606,22 @@ struct ata_device {
        u16                     heads;          /* Number of heads */
        u16                     sectors;        /* Number of sectors per track */
-        /* error history */
-        int                     spdn_cnt;
-        struct ata_ering        ering;
        union {
                u16             id[ATA_ID_WORDS]; /* IDENTIFY xxx DEVICE data */
                u32             gscr[SATA_PMP_GSCR_DWORDS]; /* PMP GSCR block */
        };
+        /* error history */
+        int                     spdn_cnt;
+        /* ering is CLEAR_END, read comment above CLEAR_END */
+        struct ata_ering        ering;
 };
-/* Offset into struct ata_device.  Fields above it are maintained
+/* Fields between ATA_DEVICE_CLEAR_BEGIN and ATA_DEVICE_CLEAR_END are
- * acress device init.  Fields below are zeroed.
+ * cleared to zero on ata_dev_init().
 */
-#define ATA_DEVICE_CLEAR_OFFSET         offsetof(struct ata_device, n_sectors)
+#define ATA_DEVICE_CLEAR_BEGIN          offsetof(struct ata_device, n_sectors)
+#define ATA_DEVICE_CLEAR_END            offsetof(struct ata_device, ering)
 struct ata_eh_info {
        struct ata_device       *dev;           /* offending device */
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index b493db7841dc..dc32dae01e5f 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1051,13 +1051,22 @@ continue_unlock:
                                }
                        }
-                        if (wbc->sync_mode == WB_SYNC_NONE) {
+                        if (nr_to_write > 0)
-                                wbc->nr_to_write--;
+                                nr_to_write--;
-                                if (wbc->nr_to_write <= 0) {
+                        else if (wbc->sync_mode == WB_SYNC_NONE) {
-                                        done = 1;
+                                /*
-                                        break;
+                                 * We stop writing back only if we are not
-                                }
+                                 * doing integrity sync. In case of integrity
+                                 * sync we have to keep going because someone
+                                 * may be concurrently dirtying pages, and we
+                                 * might have synced a lot of newly appeared
+                                 * dirty pages, but have not synced all of the
+                                 * old dirty pages.
+                                 */
+                                done = 1;
+                                break;
                        }
                        if (wbc->nonblocking && bdi_write_congested(bdi)) {
                                wbc->encountered_congestion = 1;
                                done = 1;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index b7faffe5c029..1ab180bad72a 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1015,9 +1015,11 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
        if ((rc = sock_queue_rcv_skb(sk, skb)) < 0) {
                /* Note that an ENOMEM error is charged twice */
-                if (rc == -ENOMEM)
+                if (rc == -ENOMEM) {
                        UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
                                         is_udplite);
+                        atomic_inc(&sk->sk_drops);
+                }
                goto drop;
        }
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 9454d4ae46df..1fc4a7885c41 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -222,13 +222,13 @@ static void *packet_lookup_frame(struct packet_sock *po, unsigned int position,
        h.raw = po->pg_vec[pg_vec_pos] + (frame_offset * po->frame_size);
        switch (po->tp_version) {
        case TPACKET_V1:
-                if (status != h.h1->tp_status ? TP_STATUS_USER :
+                if (status != (h.h1->tp_status ? TP_STATUS_USER :
-                                                TP_STATUS_KERNEL)
+                                                TP_STATUS_KERNEL))
                        return NULL;
                break;
        case TPACKET_V2:
-                if (status != h.h2->tp_status ? TP_STATUS_USER :
+                if (status != (h.h2->tp_status ? TP_STATUS_USER :
-                                                TP_STATUS_KERNEL)
+                                                TP_STATUS_KERNEL))
                        return NULL;
                break;
        }
diff --git a/net/sunrpc/Kconfig b/net/sunrpc/Kconfig
index dcef600d0bf5..5592883e1e4a 100644
--- a/net/sunrpc/Kconfig
+++ b/net/sunrpc/Kconfig
@@ -6,7 +6,7 @@ config SUNRPC_GSS
 config SUNRPC_XPRT_RDMA
        tristate
-        depends on SUNRPC && INFINIBAND && EXPERIMENTAL
+        depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS && EXPERIMENTAL
        default SUNRPC && INFINIBAND
        help
          This option allows the NFS client and server to support
author	Ingo Molnar <mingo@elte.hu>	2009-02-05 08:33:31 -0500
committer	Ingo Molnar <mingo@elte.hu>	2009-02-05 08:33:31 -0500
commit	43769f10b4826376cbf4ce17af74a5b4e8dc4fcd (patch)
tree	8a7f36985f9ef8e6771163c751eeefd22ee71693
parent	ae7462b4f1fe1f36b5d562dbd5202a2eba01f072 (diff)
parent	eda58a85ec3fc05855a26654d97a2b53f0e715b9 (diff)